20=3(u+2)+2

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Solution for 20=3(u+2)+2 equation: 



20=3(u+2)+2

We move all terms to the left:

20-(3(u+2)+2)=0



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

3(u+2)+2

We multiply parentheses

3u+6+2

We add all the numbers together, and all the variables

3u+8

Back to the equation:

-(3u+8)



We get rid of parentheses

-3u-8+20=0

We add all the numbers together, and all the variables

-3u+12=0

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

-3u=-12

u=-12/-3

u=+4

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