3x-2-1=7

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



3x-2-1=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x-10=0

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

3x=10

x=10/3

x=3+1/3

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