Solve for x
x=5
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12x+160-8x=180
Use the distributive property to multiply 8 by 20-x.
4x+160=180
Combine 12x and -8x to get 4x.
4x=180-160
Subtract 160 from both sides.
4x=20
Subtract 160 from 180 to get 20.
x=\frac{20}{4}
Divide both sides by 4.
x=5
Divide 20 by 4 to get 5.
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