Solve for z
z=24
x\neq 0
Solve for x
x\neq 0
z=24\text{ and }x\neq 0
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z=\frac{2x}{\frac{1}{12}x}
Combine \frac{x}{30} and \frac{x}{20} to get \frac{1}{12}x.
z=\frac{2}{\frac{1}{12}}
Cancel out x in both numerator and denominator.
z=2\times 12
Divide 2 by \frac{1}{12} by multiplying 2 by the reciprocal of \frac{1}{12}.
z=24
Multiply 2 and 12 to get 24.
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