7u+18=7-3u

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Solution for 7u+18=7-3u equation: 



7u+18=7-3u

We move all terms to the left:

7u+18-(7-3u)=0

We add all the numbers together, and all the variables

7u-(-3u+7)+18=0

We get rid of parentheses

7u+3u-7+18=0

We add all the numbers together, and all the variables

10u+11=0

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

10u=-11

u=-11/10

u=-1+1/10

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