Let's start by moving all like terms to their own sides:
-18 = -3x + 6
3x = 6 + 18
3x = 24
x = 8
Step-by-step explanation:
[tex] - 18 = - 3x + 6 \\ \\ 3x = 6 + 18 \\ \\ 3x = 24 \\ \\ x = \frac{24}{3} \\ \\ \huge \red { \boxed {x = 8}}[/tex]
