(2a)/(3+9)=5

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Solution for (2a)/(3+9)=5 equation: 



(2a)/(3+9)=5

We move all terms to the left:

(2a)/(3+9)-(5)=0

We add all the numbers together, and all the variables

2a/12-5=0

We multiply all the terms by the denominator


2a-5*12=0

We add all the numbers together, and all the variables

2a-60=0

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

2a=60

a=60/2

a=30

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