8u+20=4(u-4)

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



8u+20=4(u-4)

We move all terms to the left:

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



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

4(u-4)

We multiply parentheses

4u-16

Back to the equation:

-(4u-16)



We get rid of parentheses

8u-4u+16+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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