Answer:
x = -5
Step-by-step explanation:
[tex]-3 - 3x = -4(2x + 7)\\-3 - 3x = -4(2x) -4(7)\\-3 - 3x = -8x - 28\\5x = -25\\x = \frac{-25}{5} = -5[/tex]
-3 - 3x = -4(2x + 7)
Multiply both sides by -4
(-4)(2x)=-8x
(-4)(7)=-28
-3-3x=-8x-28
Move -8x to the other side. Sign changes from -8x to +8x.
-3-3x+8x=-8x+8x-28
-3-3x+8x=-28
-3+5x=-28
Move -3 to the other side. Sign changes from -3 to +3.
-3+3+5x=-28+3
5x=-28+3
5x=-25
Divide both sids by 5
5x/5=-25/5
Answer :x=-5
