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86 Answered Questions for the topic Elimination Method

Elimination Method Math Algebra

07/11/20

please help i am not sure what i am doing wrong/incorrectly !

Solve the system of equations by the elimination method:{−9x−11y=108x+10y=−8
Elimination Method Algebra

04/14/20

The numbers line? The money line?

A group of friends attend a zip line adventure birthday party. Each person pays $40 for the zip line pass, and they order a bunch of pizzas for $10 each. If the total bill for the party was $1100,... more
Elimination Method Algebra 1 Substitution Method

01/19/20

Really need help with this word problem

The phone company charges you a different rate for the first minute of a call then each additional minute. You see on your bill that a 12 minute call costs $2.03 and an 18 minute call costs $2.81.... more
Elimination Method Precalculus Math Help

10/08/18

Use substitution and elimination method.

Substitution: y=x2-6x+9                      y+x=5     Elimination: y=x2-11x-36                   y=-12x+36
Elimination Method

09/19/18

I’m not sure if I’m supposed to distribute

3(x+1)- 4(y-1) =13 5(x+2)+ 2(y+3)= 0
Elimination Method

09/19/18

Solve with elimination please

a/6+ b/4 = 5/2 2a/3- b/2 = -2
Elimination Method

09/19/18

Solve with elimination please

1/5(x + 2y) = -2  x/4 - 3y/2 = 15/2
Elimination Method Precalculus System Of Equations

08/29/18

Solve System Of Equations

I have a question on how to simplify this system of equations. If a free variable is needed please use the parameter t.   4x-y+z=6 2y+6z=36 x+z=6   Thank you!
Elimination Method

06/11/18

Maricella has a bag containing 35 nickles and quarters. The total value of these coins is less than $2.50. What is the maximum number of quarters that meets the

I'm doing a math project and can't figure out the two equations needed! Maricella has a bag containing 35 nickles and quarters. The total value of these coins is less than $2.50. What is the... more
Elimination Method

03/11/18

Solve the system of equation using elimination

3x=2-7y and -4x=30-7y
Elimination Method Math Equations

02/27/18

The sum of two numbers is 36. Their difference is 24. Calculate the numbers

Just a little confused on this math question need help on how to do it with steps explaining 
Elimination Method

02/22/18

pleaase help

Question PartPointsSubmissions UsedDuring one month, a homeowner used 200 units of electricity and 140 units of gas for a total cost of $86.60. The next month, 210 units of electricity and 200... more
Elimination Method

01/27/18

Elimination problem

A winter clothing store had a sale and Cory bought two pairs of gloves and four hats for $43. Mark bought two pairs of gloves and two hats for $30. How much did each pair of gloves and each hat cost?
Elimination Method Dimensions

11/29/17

The perimeter of a rectangle is 30 meters. The length of the rectangles is 3 meters more than twice the width. Find the dimensions of the rectangle.

This is an elimination word problem that involves finding the dimensions of a shape.
Elimination Method

11/21/17

Hardcover books cost $4 each and paperback books cost $2 each, she spends $26 for 8 books. How many hardcover books did she purchase?

Using elimination method 
Elimination Method

10/12/17

seven hot dogs and four hamburgers cost 13.00; four hot dogs and seven hamburgers cost 14.50. Find the cost of one hot dog and one hamburger.

Use elimination method? I keep getting it wrong.
Elimination Method Word Problems College Algebra

10/03/17

How to solve and what's the answer to the problem?

Colombian  coffee beans cost $5.50 per pound, while Peruvian coffee beans cost $4.25 per pound. We want to mix the beans together so as to produce a 40 pound bag, costing $4.60 per pound. How many... more
Elimination Method Fraction

09/20/17

Systems Question- Elimination

Here are the equations: 1/2x+1/3y=-4 1/5x+1/5y=-2   Can someone solve this using the elimination method?   Ty!!
Elimination Method Algebra 1 Algebra

08/28/17

Solve by elimination: 3x-2y=3 and -6x+4y=-6

Whenever I try to solve this I get 0=0. I don't know what that means or if that's correct. Please help.
Elimination Method

07/08/17

Solving a System of Equations Using Elimination

4x+3y=15 8x+9y=15
Elimination Method

07/07/17

SOLVING A SYSTEM OF EQUATIONS BY S/E

Substitution Form:2x-3y=2 x+y=-1x+y=-1 Elimination Form: 2x/3 - 4y/5 = 1 and 3x-y=-7
Elimination Method Substitution Method Substitution

07/06/17

Substitution/Elimination Form

Substitution Form: 2x-3y=2 x+y=-1 x+y=-1   Elimination From:  2x/3 - 4y/5 = 1 and 3x-y=-7
Elimination Method College Algebra

04/25/17

Gaussian elimination

solve using gaussian elimination with matrices  x+y-3z=4 4x+5y+z=1 2x+3y+7z=-7
Elimination Method College Algebra

04/25/17

Gaussian elimination

solve using gaussian elimination x+3y+4z=1 3x+4y+5z=3 x+8y+11z=2
Elimination Method

04/24/17

3x+7y=-9. 2x+5y=-7

2 separate equations. Find x and y.
1 3 4

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