Hello!
[tex]\large\boxed{x = -2}[/tex]
3(x + 4) = 6
Distribute the terms inside of the parenthesis with the coefficient outside:
3(x) + 3(4) = 6
Simplify:
3x + 12 = 6
Subtract 12 from both sides:
3x + 12 - 12 = 6 - 12
3x = -6
Divide both sides by 3:
3x/3 = -6/3
x = -2