7u-70=70

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Solution for 7u-70=70 equation: 



7u-70=70

We move all terms to the left:

7u-70-(70)=0

We add all the numbers together, and all the variables

7u-140=0

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

7u=140

u=140/7

u=20

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