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-3+x/2=9
We move all terms to the left:
-3+x/2-(9)=0
We add all the numbers together, and all the variables
x/2-12=0
We multiply all the terms by the denominator
x-12*2=0
We add all the numbers together, and all the variables
x-24=0
We move all terms containing x to the left, all other terms to the right
x=24
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