7.5+12/3x=40

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Solution for 7.5+12/3x=40 equation: 



7.5+12/3x=40

We move all terms to the left:

7.5+12/3x-(40)=0



Domain of the equation: 3x!=0

x!=0/3

x!=0

x∈R



We add all the numbers together, and all the variables

12/3x-32.5=0

We multiply all the terms by the denominator


-(32.5)*3x+12=0

We multiply parentheses

-97.5x+12=0

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

-97.5x=-12

x=-12/-97.5

x=12/97.5

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