2a+9=4a+5

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Solution for 2a+9=4a+5 equation: 



2a+9=4a+5

We move all terms to the left:

2a+9-(4a+5)=0

We get rid of parentheses

2a-4a-5+9=0

We add all the numbers together, and all the variables

-2a+4=0

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

-2a=-4

a=-4/-2

a=+2

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