Solve for x
x=7
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3x-20+2x=15
Use the distributive property to multiply -2 by 10-x.
5x-20=15
Combine 3x and 2x to get 5x.
5x=15+20
Add 20 to both sides.
5x=35
Add 15 and 20 to get 35.
x=\frac{35}{5}
Divide both sides by 5.
x=7
Divide 35 by 5 to get 7.
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