-x/2=40

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Solution for -x/2=40 equation: 



-x/2=40

We move all terms to the left:

-x/2-(40)=0

We multiply all the terms by the denominator


-x-40*2=0

We add all the numbers together, and all the variables

-1x-80=0

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

-x=80

x=80/-1

x=-80

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