(12x+9)/6=21.5

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Solution for (12x+9)/6=21.5 equation: 



(12x+9)/6=21.5

We move all terms to the left:

(12x+9)/6-(21.5)=0

We add all the numbers together, and all the variables

(12x+9)/6-21.5=0

We multiply all the terms by the denominator


(12x+9)-(21.5)*6=0

We add all the numbers together, and all the variables

(12x+9)-129=0

We get rid of parentheses

12x+9-129=0

We add all the numbers together, and all the variables

12x-120=0

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

12x=120

x=120/12

x=10

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