-15-8u=7-4-2u

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Solution for -15-8u=7-4-2u equation: 



-15-8u=7-4-2u

We move all terms to the left:

-15-8u-(7-4-2u)=0

We add all the numbers together, and all the variables

-8u-(-2u+3)-15=0

We get rid of parentheses

-8u+2u-3-15=0

We add all the numbers together, and all the variables

-6u-18=0

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

-6u=18

u=18/-6

u=-3

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