Question

What is the answer to y+x=-2 and 5x-3y=22

Answer 1

gg easy

multiply first equation by 3 and add to second

3x+3y=-6
5x-3y=22 +
8x+0y=16

8x=16
divide boths ides by 8
x=2

sub back
y+x=-2
y+2=-2
minus 2
y=-4

x=2
y=-4
(x,y)
(2,-4)

Answer 2

5x + 3y = 22
5x + 3*4 = 22
5x = 10
x = 2