Answer:
x = 30
Step-by-step explanation:
given the equation
[tex]\frac{1}{2}[/tex] (x + 6) = 18 ← distribute parenthesis by [tex]\frac{1}{2}[/tex]
[tex]\frac{1}{2}[/tex] x + 3 = 18 ( subtract 3 from both sides )
[tex]\frac{1}{2}[/tex] x = 15 ( multiply both sides by 2 )
x = 30