8=12+u/7

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Solution for 8=12+u/7 equation: 



8=12+u/7

We move all terms to the left:

8-(12+u/7)=0

We add all the numbers together, and all the variables

-(u/7+12)+8=0

We get rid of parentheses

-u/7-12+8=0

We multiply all the terms by the denominator


-u-12*7+8*7=0

We add all the numbers together, and all the variables

-1u-28=0

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

-u=28

u=28/-1

u=-28

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