3a+10=2-a

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Solution for 3a+10=2-a equation: 



3a+10=2-a

We move all terms to the left:

3a+10-(2-a)=0

We add all the numbers together, and all the variables

3a-(-1a+2)+10=0

We get rid of parentheses

3a+1a-2+10=0

We add all the numbers together, and all the variables

4a+8=0

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

4a=-8

a=-8/4

a=-2

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