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3\left(60-x\right)=20x
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 3x, the least common multiple of x,3.
180-3x=20x
Use the distributive property to multiply 3 by 60-x.
180-3x-20x=0
Subtract 20x from both sides.
180-23x=0
Combine -3x and -20x to get -23x.
-23x=-180
Subtract 180 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-180}{-23}
Divide both sides by -23.
x=\frac{180}{23}
Fraction \frac{-180}{-23} can be simplified to \frac{180}{23} by removing the negative sign from both the numerator and the denominator.