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-3(x+2)=4x-15
We move all terms to the left:
-3(x+2)-(4x-15)=0
We multiply parentheses
-3x-(4x-15)-6=0
We get rid of parentheses
-3x-4x+15-6=0
We add all the numbers together, and all the variables
-7x+9=0
We move all terms containing x to the left, all other terms to the right
-7x=-9
x=-9/-7
x=1+2/7
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