Solve for x
x = \frac{15}{2} = 7\frac{1}{2} = 7.5
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2x+3=18
Swap sides so that all variable terms are on the left hand side.
2x=18-3
Subtract 3 from both sides.
2x=15
Subtract 3 from 18 to get 15.
x=\frac{15}{2}
Divide both sides by 2.
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