Solve for x
x=16
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2x-1=31
Swap sides so that all variable terms are on the left hand side.
2x=31+1
Add 1 to both sides.
2x=32
Add 31 and 1 to get 32.
x=\frac{32}{2}
Divide both sides by 2.
x=16
Divide 32 by 2 to get 16.
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