13u+12=9u+18

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Solution for 13u+12=9u+18 equation: 



13u+12=9u+18

We move all terms to the left:

13u+12-(9u+18)=0

We get rid of parentheses

13u-9u-18+12=0

We add all the numbers together, and all the variables

4u-6=0

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

4u=6

u=6/4

u=1+1/2

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