8u-78=2(u)

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Solution for 8u-78=2(u) equation: 



8u-78=2(u)

We move all terms to the left:

8u-78-(2(u))=0

determiningTheFunctionDomain
8u-2u-78=0

We add all the numbers together, and all the variables

6u-78=0

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

6u=78

u=78/6

u=13

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