Question

Find the values of x
and y
- 2x + 2y =0
- 7x + 7y=0​

Answer 1

-2x+2y=0 _1

-7x+7y=0_2

1*7 & 2*2

-14x+14y=0_3

-14x+14y=0_4

3-4 gives x=0,y=0

When x=y the equations are 0