(7x+3x)/(5x+9=12

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Solution for (7x+3x)/(5x+9=12 equation:



(7x+3x)/(5x+9=12
We move all terms to the left:
(7x+3x)/(5x+9-(12)=0
Domain of the equation: (5x+9-12!=0
x∈R
We add all the numbers together, and all the variables
(+10x)/(5x+9-12=0
We multiply all the terms by the denominator
(+10x)=0
We get rid of parentheses
10x=0
x=0/10
x=0

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