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5-3(0.5x+2)=-7
We move all terms to the left:
5-3(0.5x+2)-(-7)=0
We add all the numbers together, and all the variables
-3(0.5x+2)+12=0
We multiply parentheses
-0x-6+12=0
We add all the numbers together, and all the variables
-1x+6=0
We move all terms containing x to the left, all other terms to the right
-x=-6
x=-6/-1
x=+6
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