10u+7=8(u-4)-9

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Solution for 10u+7=8(u-4)-9 equation: 



10u+7=8(u-4)-9

We move all terms to the left:

10u+7-(8(u-4)-9)=0



We calculate terms in parentheses: -(8(u-4)-9), so:

8(u-4)-9

We multiply parentheses

8u-32-9

We add all the numbers together, and all the variables

8u-41

Back to the equation:

-(8u-41)



We get rid of parentheses

10u-8u+41+7=0

We add all the numbers together, and all the variables

2u+48=0

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

2u=-48

u=-48/2

u=-24

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