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

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



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

We move all terms to the left:

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

We multiply parentheses

u+8u-(-7(u+1))+12-9=0



We calculate terms in parentheses: -(-7(u+1)), so:

-7(u+1)

We multiply parentheses

-7u-7

Back to the equation:

-(-7u-7)



We add all the numbers together, and all the variables

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

We get rid of parentheses

9u+7u+7+3=0

We add all the numbers together, and all the variables

16u+10=0

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

16u=-10

u=-10/16

u=-5/8

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