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5+x/2=30
We move all terms to the left:
5+x/2-(30)=0
We add all the numbers together, and all the variables
x/2-25=0
We multiply all the terms by the denominator
x-25*2=0
We add all the numbers together, and all the variables
x-50=0
We move all terms containing x to the left, all other terms to the right
x=50
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