If 5x + 8 = -7 then x = -3 !
-3 x 5 = -15
-15 + 8 = -7 !
you cant
23
3
7
x = -8
x = -1.2, y = -3
-5x+50 = 25 -5x = 25-50 -5x = -25 x = 5
x=35
You find x. Oh! There it is!! ^ See?
172=x
5x + 2 = 22 5x = 22 - 2 5x = 20 5x/5 = 20/5 x=4
5x+y=-7 3x+y=15 8=D