Question

solve 2x-3/y=12, 5x+7/y=1;y is not equal to 0

Answer 1

Step-by-step explanation:

10x-15/y=60

10x+14/y=2

substracte. equation

-29/y=58

y=-1/2

and

2x-3/-1/2=12

2x+6=12

2x=6

x=3