12=2(u+3)-5u

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Solution for 12=2(u+3)-5u equation: 



12=2(u+3)-5u

We move all terms to the left:

12-(2(u+3)-5u)=0



We calculate terms in parentheses: -(2(u+3)-5u), so:

2(u+3)-5u

We add all the numbers together, and all the variables

-5u+2(u+3)

We multiply parentheses

-5u+2u+6

We add all the numbers together, and all the variables

-3u+6

Back to the equation:

-(-3u+6)



We get rid of parentheses

3u-6+12=0

We add all the numbers together, and all the variables

3u+6=0

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

3u=-6

u=-6/3

u=-2

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