Solve for z
z = \frac{36}{25} = 1\frac{11}{25} = 1.44
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25z=9\times 4
Variable z cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 9z, the least common multiple of 9,z.
25z=36
Multiply 9 and 4 to get 36.
z=\frac{36}{25}
Divide both sides by 25.
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