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1.5(3+x)4=15
We move all terms to the left:
1.5(3+x)4-(15)=0
We add all the numbers together, and all the variables
1.5(x+3)4-15=0
We multiply parentheses
6x+18-15=0
We add all the numbers together, and all the variables
6x+3=0
We move all terms containing x to the left, all other terms to the right
6x=-3
x=-3/6
x=-1/2
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