Answer:
Alright well solve x by simplifying both sides of the equation then i isolating the variable
x = 3 Hope this helps :)
Explanation:
x=3
3(3 + x)=15+x
distribute
9 + 3x= 15+x
subtract x from each side
9+3x-x = 15
9+2x = 15
subtract 9 from each side
9+2x-9 = 15-9
2x = 6
divide by 2
2x/2 = 6/2
9.5m questions
12.2m answers