3(u+7)=-3(5u-2)+6

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Solution for 3(u+7)=-3(5u-2)+6 equation: 



3(u+7)=-3(5u-2)+6

We move all terms to the left:

3(u+7)-(-3(5u-2)+6)=0

We multiply parentheses

3u-(-3(5u-2)+6)+21=0



We calculate terms in parentheses: -(-3(5u-2)+6), so:

-3(5u-2)+6

We multiply parentheses

-15u+6+6

We add all the numbers together, and all the variables

-15u+12

Back to the equation:

-(-15u+12)



We get rid of parentheses

3u+15u-12+21=0

We add all the numbers together, and all the variables

18u+9=0

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

18u=-9

u=-9/18

u=-1/2

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