-7=2(u-8)-5u

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Solution for -7=2(u-8)-5u equation: 



-7=2(u-8)-5u

We move all terms to the left:

-7-(2(u-8)-5u)=0



We calculate terms in parentheses: -(2(u-8)-5u), so:

2(u-8)-5u

We add all the numbers together, and all the variables

-5u+2(u-8)

We multiply parentheses

-5u+2u-16

We add all the numbers together, and all the variables

-3u-16

Back to the equation:

-(-3u-16)



We get rid of parentheses

3u+16-7=0

We add all the numbers together, and all the variables

3u+9=0

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

3u=-9

u=-9/3

u=-3

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