400/12-x=40

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Solution for 400/12-x=40 equation: 



400/12-x=40

We move all terms to the left:

400/12-x-(40)=0

determiningTheFunctionDomain
-x-40+400/12=0

We add all the numbers together, and all the variables

-1x-40+400/12=0

We multiply all the terms by the denominator


-1x*12+400-40*12=0

We add all the numbers together, and all the variables

-1x*12-80=0

Wy multiply elements

-12x-80=0

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

-12x=80

x=80/-12

x=-6+2/3

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