Question

{-x-y=-6
{-x+y=2

Answer 1

-2x=8
x=-4
-4-y=6
y=10

prosze o naj:)

Answer 2

-x=-6+y/:-1
-x+y=2

x=6-y
-(6-y)+y=2

x=6-y
-6+y+y=2

x=6-y
2y=2+6

x=6-y
2y=8/:2

x=6-y
y=4

x=6-4
y=4

x=2
y=4