4a+3a=-7+2+9

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Solution for 4a+3a=-7+2+9 equation: 



4a+3a=-7+2+9

We move all terms to the left:

4a+3a-(-7+2+9)=0

We add all the numbers together, and all the variables

4a+3a-4=0

We add all the numbers together, and all the variables

7a-4=0

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

7a=4

a=4/7

a=4/7

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