140/x=7

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Solution for 140/x=7 equation: 



140/x=7

We move all terms to the left:

140/x-(7)=0



Domain of the equation: x!=0

x∈R



We multiply all the terms by the denominator


-7*x+140=0

We add all the numbers together, and all the variables

-7x+140=0

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

-7x=-140

x=-140/-7

x=+20

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