a+3a/2=15

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Solution for a+3a/2=15 equation: 



a+3a/2=15

We move all terms to the left:

a+3a/2-(15)=0

We multiply all the terms by the denominator


a*2+3a-15*2=0

We add all the numbers together, and all the variables

3a+a*2-30=0

Wy multiply elements

3a+2a-30=0

We add all the numbers together, and all the variables

5a-30=0

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

5a=30

a=30/5

a=6

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