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4x/2-1=13
We move all terms to the left:
4x/2-1-(13)=0
We add all the numbers together, and all the variables
4x/2-14=0
We multiply all the terms by the denominator
4x-14*2=0
We add all the numbers together, and all the variables
4x-28=0
We move all terms containing x to the left, all other terms to the right
4x=28
x=28/4
x=7
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