3+2a=-17

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Solution for 3+2a=-17 equation: 



3+2a=-17

We move all terms to the left:

3+2a-(-17)=0

We add all the numbers together, and all the variables

2a+20=0

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

2a=-20

a=-20/2

a=-10

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