3a+10=a-9

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Solution for 3a+10=a-9 equation: 



3a+10=a-9

We move all terms to the left:

3a+10-(a-9)=0

We get rid of parentheses

3a-a+9+10=0

We add all the numbers together, and all the variables

2a+19=0

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

2a=-19

a=-19/2

a=-9+1/2

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