9u=-4(-u-3)-2

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



9u=-4(-u-3)-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(-4(-1u-3)-2), so:

-4(-1u-3)-2

We multiply parentheses

4u+12-2

We add all the numbers together, and all the variables

4u+10

Back to the equation:

-(4u+10)



We get rid of parentheses

9u-4u-10=0

We add all the numbers together, and all the variables

5u-10=0

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

5u=10

u=10/5

u=2

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