31=4/5x+7

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Solution for 31=4/5x+7 equation: 



31=4/5x+7

We move all terms to the left:

31-(4/5x+7)=0



Domain of the equation: 5x+7)!=0

x∈R



We get rid of parentheses

-4/5x-7+31=0

We multiply all the terms by the denominator


-7*5x+31*5x-4=0

Wy multiply elements

-35x+155x-4=0

We add all the numbers together, and all the variables

120x-4=0

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

120x=4

x=4/120

x=1/30

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