Solve 4x + 3y = - 8 and x + 3y = - 20

x + 3y = - 20

x + 3y -3y= - 20-3y

x= - 20-3y

4x + 3y = - 8

4( - 20-3y) + 3y = - 8

4( - 20) (4)(-3y) + 3y = - 8

-80-12y+3y=-8

-80-9y=-8

-80-9y+80=-8+80

-9y=72

-9y/-9=72/-9

y=-8

x= - 20-3y

x= - 20-3(-8)

x=-20+24

x=4