4u+20=8(u+7)

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Solution for 4u+20=8(u+7) equation: 



4u+20=8(u+7)

We move all terms to the left:

4u+20-(8(u+7))=0



We calculate terms in parentheses: -(8(u+7)), so:

8(u+7)

We multiply parentheses

8u+56

Back to the equation:

-(8u+56)



We get rid of parentheses

4u-8u-56+20=0

We add all the numbers together, and all the variables

-4u-36=0

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

-4u=36

u=36/-4

u=-9

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