Answer:
x = 9
Step-by-step explanation:
Given
6(x - 3) = 3x + 9 ← distribute left side
6x - 18 = 3x + 9 ( subtract 3x from both sides )
3x - 18 = 9 ( add 18 to both sides )
3x = 27 ( divide both sides by 3 )
