15u=64+7u

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Solution for 15u=64+7u equation: 



15u=64+7u

We move all terms to the left:

15u-(64+7u)=0

We add all the numbers together, and all the variables

15u-(7u+64)=0

We get rid of parentheses

15u-7u-64=0

We add all the numbers together, and all the variables

8u-64=0

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

8u=64

u=64/8

u=8

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