Solve for z
z=3
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9+z\times 3=6z
Variable z cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by z.
9+z\times 3-6z=0
Subtract 6z from both sides.
9-3z=0
Combine z\times 3 and -6z to get -3z.
-3z=-9
Subtract 9 from both sides. Anything subtracted from zero gives its negation.
z=\frac{-9}{-3}
Divide both sides by -3.
z=3
Divide -9 by -3 to get 3.
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