Solve for x
x=7
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15x-20=85
Multiply 5 and 4 to get 20.
15x=85+20
Add 20 to both sides.
15x=105
Add 85 and 20 to get 105.
x=\frac{105}{15}
Divide both sides by 15.
x=7
Divide 105 by 15 to get 7.
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