(126+x)/(189+x)=0.7

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Solution for (126+x)/(189+x)=0.7 equation: 



(126+x)/(189+x)=0.7

We move all terms to the left:

(126+x)/(189+x)-(0.7)=0



Domain of the equation: (189+x)!=0

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

x!=-189

x∈R



We add all the numbers together, and all the variables

(x+126)/(x+189)-(0.7)=0

We add all the numbers together, and all the variables

(x+126)/(x+189)-0.7=0

We multiply all the terms by the denominator


(x+126)-(0.7)*(x+189)=0

We get rid of parentheses

x-(0.7)*(x+189)+126=0

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

x-(0.7)*(x+189)=-126

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