30=2u+8(u+5)

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Solution for 30=2u+8(u+5) equation: 



30=2u+8(u+5)

We move all terms to the left:

30-(2u+8(u+5))=0



We calculate terms in parentheses: -(2u+8(u+5)), so:

2u+8(u+5)

We multiply parentheses

2u+8u+40

We add all the numbers together, and all the variables

10u+40

Back to the equation:

-(10u+40)



We get rid of parentheses

-10u-40+30=0

We add all the numbers together, and all the variables

-10u-10=0

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

-10u=10

u=10/-10

u=-1

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