7(u+10)=9(u+2)

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Solution for 7(u+10)=9(u+2) equation: 



7(u+10)=9(u+2)

We move all terms to the left:

7(u+10)-(9(u+2))=0

We multiply parentheses

7u-(9(u+2))+70=0



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

9(u+2)

We multiply parentheses

9u+18

Back to the equation:

-(9u+18)



We get rid of parentheses

7u-9u-18+70=0

We add all the numbers together, and all the variables

-2u+52=0

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

-2u=-52

u=-52/-2

u=+26

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