2a-7=-17

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Solution for 2a-7=-17 equation: 



2a-7=-17

We move all terms to the left:

2a-7-(-17)=0

We add all the numbers together, and all the variables

2a+10=0

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

2a=-10

a=-10/2

a=-5

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