a+3+2a=-1=3a=4

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Solution for a+3+2a=-1=3a=4 equation: 



a+3+2a=-1=3a=4

We move all terms to the left:

a+3+2a-(-1)=0

We add all the numbers together, and all the variables

3a+4=0

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

3a=-4

a=-4/3

a=-1+1/3

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