2u+20=4(u+7)

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Solution for 2u+20=4(u+7) equation: 



2u+20=4(u+7)

We move all terms to the left:

2u+20-(4(u+7))=0



We calculate terms in parentheses: -(4(u+7)), so:

4(u+7)

We multiply parentheses

4u+28

Back to the equation:

-(4u+28)



We get rid of parentheses

2u-4u-28+20=0

We add all the numbers together, and all the variables

-2u-8=0

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

-2u=8

u=8/-2

u=-4

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