3-2x+1=7

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Solution for 3-2x+1=7 equation: 



3-2x+1=7

We move all terms to the left:

3-2x+1-(7)=0

We add all the numbers together, and all the variables

-2x-3=0

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

-2x=3

x=3/-2

x=-1+1/2

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