2x + y - z =6 3x -2y +3z =-7 x + y + z =1

2x + y - z =6 3x -2y +3z =-7 x + y + z =1

A merchant wants to mix pecans, which sell for $3.00 per pound, with cashews that sell for $6.00 per pound to make a 48 pound mixture he can export for $4 per pound. How many pounds of pecans and...

5x-1 / 3 + y+7 / 4 = 11 x+1/2 - x-y/3=3 Find the solution set The 5x-1 is over 3, the y+7 is over 4 x+1 is over 2, x-y is over 3

Solve the system. State whether the system is inconsistent or has infinitely many solutions. If the system has infinitely many solutions, write the solution set with y arbitrary. 4...

in part of a fundraising campaign, logan organized a dog show. The cost to rent the park was $1300 plus $2.50 per person for the snack bar fee. logan charged $5 for each student ticket and $8 for...

this is algebra, and im working on solving by elimination

Solve the system. State whether the system is inconsistent or has infinitely many solutions. If the system has infinitely many solutions, write the solution set with y arbitrary. 2x+3y=5...

Macadamia nuts cost $16.50 per pound. Regular nuts cost $9.25 per pound. How many pounds of macadamia nuts and how many pounds of regular nuts should I combine to produce 40 pounds of a mixed nut...

four times a number added to another number is 36. Three times the first number minus the other number is 20. Find the numbers.

Must use Elimination

There are between 75 and 125 cars in a parking lot. Exactly 25% of them are red. Exactly one-ninth of them have out-of-state license plates. How many cars are in the lot?

While visiting the Putnam County Fair, she first went on the Ferris wheel 3 times and the roller coaster 3 times, using a total of 27 tickets. Then, after taking a break and having a snack, Tess went...

{8x-3y=-11 {2x-5y=27

How many pounds of candy that sells for $0.71 per lb must be mixed with candy that sells for $1.25 per lb to obtain 8 lb of a mixture that should sell for $0.91 per lb? $0.71-per-lb...

A motor scooter travels 18 mi in the same time that a bicycle covers 8 mi. If the rate of the scooter is 2 mph more than twice the rate of the bicycle, find both rates. The scooter's...

I believe this problem is either solved by substitution or elimination. I am in Intermediate Algebra.

1. 3x+4y=8 x+2y=10 2. 4x-3y=3 3x-2y=4

the apple store sells ipads and Macbooks. ipods cost $200 each, and Macbooks cost $1,200 each. this year, the number of Macbooks they sold was twice the number of ipods they sold. their total sales...

x-2y=5 x-2y=5

Define two variables. Then write equations. Quantity-rate equations may be helpful. Use either the elimination method or the substitution method to solve the equations. A green turtle...