7+12x=40x

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Solution for 7+12x=40x equation: 



7+12x=40x

We move all terms to the left:

7+12x-(40x)=0

We add all the numbers together, and all the variables

-28x+7=0

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

-28x=-7

x=-7/-28

x=1/4

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