85 Answered Questions for the topic Elimination Method

#### 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

10/08/18

#### Use substitution and elimination method.

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

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

09/19/18

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

09/19/18

1/5(x + 2y) = -2  x/4 - 3y/2 = 15/2

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!

06/11/18

03/11/18

#### Solve the system of equation using elimination

3x=2-7y and -4x=30-7y

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

02/22/18

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 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? 01/17/18 #### Determine the cost of one desk and one chalkboard 35 desks and 3 chalkboards cost$2082 40 desks and 2 chalkboards cost $2238 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. 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

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

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!!

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.

07/08/17

#### Solving a System of Equations Using Elimination

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

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

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

04/25/17

#### Gaussian elimination

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

04/25/17

#### Gaussian elimination

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

04/24/17

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

2 separate equations. Find x and y.

04/12/17

#### How do I work this problem?

Consider the following system of equations:2x − 3y = 2,4x + 2y = −1−5x − 6y = dFor what value of d does the above system have a solution? For this value of d, graph all three equations... more

## Still looking for help? Get the right answer, fast.

Get a free answer to a quick problem.
Most questions answered within 4 hours.

#### OR

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.