4x+(-9+3x)=-5
(1) rearrange terms, putting 'x' values on the left side.
4x + 3x = -5 + 9
7x = 4
divide both sides by '7'
7x/7 = 4/7
x = 4/7
4x + 3x = -5 + 9
7x = 4
divide both sides by '7'
7x/7 = 4/7
x = 4/7