-2u+20=2u+6(u-20)

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Solution for -2u+20=2u+6(u-20) equation: 



-2u+20=2u+6(u-20)

We move all terms to the left:

-2u+20-(2u+6(u-20))=0



We calculate terms in parentheses: -(2u+6(u-20)), so:

2u+6(u-20)

We multiply parentheses

2u+6u-120

We add all the numbers together, and all the variables

8u-120

Back to the equation:

-(8u-120)



We get rid of parentheses

-2u-8u+120+20=0

We add all the numbers together, and all the variables

-10u+140=0

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

-10u=-140

u=-140/-10

u=+14

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