Solve for x
x=3
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1+3x+2x=16
Add 2x to both sides.
1+5x=16
Combine 3x and 2x to get 5x.
5x=16-1
Subtract 1 from both sides.
5x=15
Subtract 1 from 16 to get 15.
x=\frac{15}{5}
Divide both sides by 5.
x=3
Divide 15 by 5 to get 3.
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