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4x/5-13=7
We move all terms to the left:
4x/5-13-(7)=0
We add all the numbers together, and all the variables
4x/5-20=0
We multiply all the terms by the denominator
4x-20*5=0
We add all the numbers together, and all the variables
4x-100=0
We move all terms containing x to the left, all other terms to the right
4x=100
x=100/4
x=25
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