Question

Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations

Answer 1

Explanation:

32

Answer 2

x=8 and y= -9

Explanation:

(-5x-7y=23)x3

(3x+4y=-12)x5

-15x-21y=69

15x+20y=-60

-y=9

y=-9

x=8