-2a+10+5a=7a-9a

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Solution for -2a+10+5a=7a-9a equation: 



-2a+10+5a=7a-9a

We move all terms to the left:

-2a+10+5a-(7a-9a)=0

We add all the numbers together, and all the variables

-2a+5a-(-2a)+10=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3a+2a+10=0

We add all the numbers together, and all the variables

5a+10=0

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

5a=-10

a=-10/5

a=-2

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