-u/2=-40

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Solution for -u/2=-40 equation: 



-u/2=-40

We move all terms to the left:

-u/2-(-40)=0

We add all the numbers together, and all the variables

-u/2+40=0

We multiply all the terms by the denominator


-u+40*2=0

We add all the numbers together, and all the variables

-1u+80=0

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

-u=-80

u=-80/-1

u=+80

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