SOLUTION: Use the comparison method to solve the following system of equations. (1) 2x - y = 5 (2) x/4 + y/3 =-3/4

Algebra ->  Expressions-with-variables -> SOLUTION: Use the comparison method to solve the following system of equations. (1) 2x - y = 5 (2) x/4 + y/3 =-3/4      Log On


   

Question 1019995: Use the comparison method to solve the following system of equations.
(1) 2x - y = 5
(2) x/4 + y/3 =-3/4
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
12%28x%2F4%2By%2F3%29=12%28-3%2F4%29
3x%2B4y=-9

The system is system%282x-y=5%2C3x%2B4y=-9%29.

Multiply members of the first equation by 4.
system%288x-4y=20%2C3x%2B4y=-9%29

Add corresponding members.
11x%2B0=11

11x=11
highlight%28x=1%29
Continue to find y.