u=-3u+8

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Solution for u=-3u+8 equation: 



u=-3u+8

We move all terms to the left:

u-(-3u+8)=0

We get rid of parentheses

u+3u-8=0

We add all the numbers together, and all the variables

4u-8=0

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

4u=8

u=8/4

u=2

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