15u+17+20=-17+12u

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Solution for 15u+17+20=-17+12u equation: 



15u+17+20=-17+12u

We move all terms to the left:

15u+17+20-(-17+12u)=0

We add all the numbers together, and all the variables

15u-(12u-17)+17+20=0

We add all the numbers together, and all the variables

15u-(12u-17)+37=0

We get rid of parentheses

15u-12u+17+37=0

We add all the numbers together, and all the variables

3u+54=0

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

3u=-54

u=-54/3

u=-18

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