Question

5x-y=-1
+ -5x+3y=25
___________

Answer 1

Answer:2y=24

Explanation:

Answer 2

x =2.2 y= 12

Explanation:

Add the two equations 5x-5x is zero

_y +3y =24

-1+25=24

so the equation becomes 2y=24

y=12

5x-12=-1

5x=-1+12

5X=11

so x = 2.2 y =12