u/7=20

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Solution for u/7=20 equation: 



u/7=20

We move all terms to the left:

u/7-(20)=0

We multiply all the terms by the denominator


u-20*7=0

We add all the numbers together, and all the variables

u-140=0

We move all terms containing u to the left, all other terms to the right

u=140

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