2a-7=4a+9

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Solution for 2a-7=4a+9 equation: 



2a-7=4a+9

We move all terms to the left:

2a-7-(4a+9)=0

We get rid of parentheses

2a-4a-9-7=0

We add all the numbers together, and all the variables

-2a-16=0

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

-2a=16

a=16/-2

a=-8

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