-20=4(u-4)-6u

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Solution for -20=4(u-4)-6u equation: 



-20=4(u-4)-6u

We move all terms to the left:

-20-(4(u-4)-6u)=0



We calculate terms in parentheses: -(4(u-4)-6u), so:

4(u-4)-6u

We add all the numbers together, and all the variables

-6u+4(u-4)

We multiply parentheses

-6u+4u-16

We add all the numbers together, and all the variables

-2u-16

Back to the equation:

-(-2u-16)



We get rid of parentheses

2u+16-20=0

We add all the numbers together, and all the variables

2u-4=0

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

2u=4

u=4/2

u=2

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