Solve for x
x = \frac{140}{3} = 46\frac{2}{3} \approx 46.666666667
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2x+40+x=180
Combine x and x to get 2x.
3x+40=180
Combine 2x and x to get 3x.
3x=180-40
Subtract 40 from both sides.
3x=140
Subtract 40 from 180 to get 140.
x=\frac{140}{3}
Divide both sides by 3.
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