u-16=3u+4

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Solution for u-16=3u+4 equation: 



u-16=3u+4

We move all terms to the left:

u-16-(3u+4)=0

We get rid of parentheses

u-3u-4-16=0

We add all the numbers together, and all the variables

-2u-20=0

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

-2u=20

u=20/-2

u=-10

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