12=2(u+2)-4u

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Solution for 12=2(u+2)-4u equation: 



12=2(u+2)-4u

We move all terms to the left:

12-(2(u+2)-4u)=0



We calculate terms in parentheses: -(2(u+2)-4u), so:

2(u+2)-4u

We add all the numbers together, and all the variables

-4u+2(u+2)

We multiply parentheses

-4u+2u+4

We add all the numbers together, and all the variables

-2u+4

Back to the equation:

-(-2u+4)



We get rid of parentheses

2u-4+12=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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