-7=u/2-1

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Solution for -7=u/2-1 equation: 



-7=u/2-1

We move all terms to the left:

-7-(u/2-1)=0

We get rid of parentheses

-u/2+1-7=0

We multiply all the terms by the denominator


-u+1*2-7*2=0

We add all the numbers together, and all the variables

-1u-12=0

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

-u=12

u=12/-1

u=-12

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