Solve for x
x=4
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2x+1=\frac{18}{2}
Divide both sides by 2.
2x+1=9
Divide 18 by 2 to get 9.
2x=9-1
Subtract 1 from both sides.
2x=8
Subtract 1 from 9 to get 8.
x=\frac{8}{2}
Divide both sides by 2.
x=4
Divide 8 by 2 to get 4.
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