10-5a=-7a+9

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Solution for 10-5a=-7a+9 equation: 



10-5a=-7a+9

We move all terms to the left:

10-5a-(-7a+9)=0

We get rid of parentheses

-5a+7a-9+10=0

We add all the numbers together, and all the variables

2a+1=0

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

2a=-1

a=-1/2

a=-1/2

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