10u+7=9(2u-4)-9

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Solution for 10u+7=9(2u-4)-9 equation: 



10u+7=9(2u-4)-9

We move all terms to the left:

10u+7-(9(2u-4)-9)=0



We calculate terms in parentheses: -(9(2u-4)-9), so:

9(2u-4)-9

We multiply parentheses

18u-36-9

We add all the numbers together, and all the variables

18u-45

Back to the equation:

-(18u-45)



We get rid of parentheses

10u-18u+45+7=0

We add all the numbers together, and all the variables

-8u+52=0

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

-8u=-52

u=-52/-8

u=6+1/2

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