2u-18=-6(u-9)

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Solution for 2u-18=-6(u-9) equation: 



2u-18=-6(u-9)

We move all terms to the left:

2u-18-(-6(u-9))=0



We calculate terms in parentheses: -(-6(u-9)), so:

-6(u-9)

We multiply parentheses

-6u+54

Back to the equation:

-(-6u+54)



We get rid of parentheses

2u+6u-54-18=0

We add all the numbers together, and all the variables

8u-72=0

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

8u=72

u=72/8

u=9

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