-2=-7u+3(u+6)

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Solution for -2=-7u+3(u+6) equation: 



-2=-7u+3(u+6)

We move all terms to the left:

-2-(-7u+3(u+6))=0



We calculate terms in parentheses: -(-7u+3(u+6)), so:

-7u+3(u+6)

We multiply parentheses

-7u+3u+18

We add all the numbers together, and all the variables

-4u+18

Back to the equation:

-(-4u+18)



We get rid of parentheses

4u-18-2=0

We add all the numbers together, and all the variables

4u-20=0

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

4u=20

u=20/4

u=5

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