3-2a+7=2

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



3-2a+7=2

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2a+8=0

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

-2a=-8

a=-8/-2

a=+4

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