100-89=(7/x)*100

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Solution for 100-89=(7/x)*100 equation: 



100-89=(7/x)*100

We move all terms to the left:

100-89-((7/x)*100)=0



Domain of the equation: x)*100)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-((+7/x)*100)+100-89=0

We add all the numbers together, and all the variables

-((+7/x)*100)+11=0

We multiply all the terms by the denominator


-((+7+11*x)*100)=0



We calculate terms in parentheses: -((+7+11*x)*100), so:

(+7+11*x)*100

We add all the numbers together, and all the variables

(11x+7)*100

We multiply parentheses

1100x+700

Back to the equation:

-(1100x+700)



We get rid of parentheses

-1100x-700=0

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

-1100x=700

x=700/-1100

x=-7/11

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