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-3\times 16x=20\left(x-85\right)
Variable x cannot be equal to 85 since division by zero is not defined. Multiply both sides of the equation by 30\left(x-85\right), the least common multiple of 10\left(85-x\right),3.
-48x=20\left(x-85\right)
Multiply -3 and 16 to get -48.
-48x=20x-1700
Use the distributive property to multiply 20 by x-85.
-48x-20x=-1700
Subtract 20x from both sides.
-68x=-1700
Combine -48x and -20x to get -68x.
x=\frac{-1700}{-68}
Divide both sides by -68.
x=25
Divide -1700 by -68 to get 25.