90/(x-7)=30

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Solution for 90/(x-7)=30 equation: 



90/(x-7)=30

We move all terms to the left:

90/(x-7)-(30)=0



Domain of the equation: (x-7)!=0

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

x!=7

x∈R



We multiply all the terms by the denominator


-30*(x-7)+90=0

We multiply parentheses

-30x+210+90=0

We add all the numbers together, and all the variables

-30x+300=0

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

-30x=-300

x=-300/-30

x=+10

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