9u+20=5(u+8)

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Solution for 9u+20=5(u+8) equation: 



9u+20=5(u+8)

We move all terms to the left:

9u+20-(5(u+8))=0



We calculate terms in parentheses: -(5(u+8)), so:

5(u+8)

We multiply parentheses

5u+40

Back to the equation:

-(5u+40)



We get rid of parentheses

9u-5u-40+20=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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