3.5a+6=18-2.5a

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Solution for 3.5a+6=18-2.5a equation: 



3.5a+6=18-2.5a

We move all terms to the left:

3.5a+6-(18-2.5a)=0

We add all the numbers together, and all the variables

3.5a-(-2.5a+18)+6=0

We get rid of parentheses

3.5a+2.5a-18+6=0

We add all the numbers together, and all the variables

6a-12=0

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

6a=12

a=12/6

a=2

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