-20=5(u-6)-7u

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Solution for -20=5(u-6)-7u equation: 



-20=5(u-6)-7u

We move all terms to the left:

-20-(5(u-6)-7u)=0



We calculate terms in parentheses: -(5(u-6)-7u), so:

5(u-6)-7u

We add all the numbers together, and all the variables

-7u+5(u-6)

We multiply parentheses

-7u+5u-30

We add all the numbers together, and all the variables

-2u-30

Back to the equation:

-(-2u-30)



We get rid of parentheses

2u+30-20=0

We add all the numbers together, and all the variables

2u+10=0

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

2u=-10

u=-10/2

u=-5

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