2a-3=-(4a+9)

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Solution for 2a-3=-(4a+9) equation: 



2a-3=-(4a+9)

We move all terms to the left:

2a-3-(-(4a+9))=0



We calculate terms in parentheses: -(-(4a+9)), so:

-(4a+9)

We get rid of parentheses

-4a-9

Back to the equation:

-(-4a-9)



We get rid of parentheses

2a+4a+9-3=0

We add all the numbers together, and all the variables

6a+6=0

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

6a=-6

a=-6/6

a=-1

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