-x/3=4=20

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Solution for -x/3=4=20 equation: 



-x/3=4=20

We move all terms to the left:

-x/3-(4)=0

We multiply all the terms by the denominator


-x-4*3=0

We add all the numbers together, and all the variables

-1x-12=0

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

-x=12

x=12/-1

x=-12

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