-7(u+1)=-2(3u-4)+9u

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Solution for -7(u+1)=-2(3u-4)+9u equation: 



-7(u+1)=-2(3u-4)+9u

We move all terms to the left:

-7(u+1)-(-2(3u-4)+9u)=0

We multiply parentheses

-7u-(-2(3u-4)+9u)-7=0



We calculate terms in parentheses: -(-2(3u-4)+9u), so:

-2(3u-4)+9u

We add all the numbers together, and all the variables

9u-2(3u-4)

We multiply parentheses

9u-6u+8

We add all the numbers together, and all the variables

3u+8

Back to the equation:

-(3u+8)



We get rid of parentheses

-7u-3u-8-7=0

We add all the numbers together, and all the variables

-10u-15=0

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

-10u=15

u=15/-10

u=-1+1/2

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