10-2a=-7a+9

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Solution for 10-2a=-7a+9 equation: 



10-2a=-7a+9

We move all terms to the left:

10-2a-(-7a+9)=0

We get rid of parentheses

-2a+7a-9+10=0

We add all the numbers together, and all the variables

5a+1=0

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

5a=-1

a=-1/5

a=-1/5

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