2a+3a=-7-5

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Solution for 2a+3a=-7-5 equation: 



2a+3a=-7-5

We move all terms to the left:

2a+3a-(-7-5)=0

We add all the numbers together, and all the variables

2a+3a-(-12)=0

We add all the numbers together, and all the variables

5a+12=0

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

5a=-12

a=-12/5

a=-2+2/5

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