Solve for x
x=2
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3x+1=7
Swap sides so that all variable terms are on the left hand side.
3x=7-1
Subtract 1 from both sides.
3x=6
Subtract 1 from 7 to get 6.
x=\frac{6}{3}
Divide both sides by 3.
x=2
Divide 6 by 3 to get 2.
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