1.5a+a=15

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Solution for 1.5a+a=15 equation: 



1.5a+a=15

We move all terms to the left:

1.5a+a-(15)=0

We add all the numbers together, and all the variables

2.5a-15=0

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

2.5a=15

a=15/2.5

a=6

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