9z=5z-15

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Solution for 9z=5z-15 equation: 


Simplifying
9z = 5z + -15

Reorder the terms:
9z = -15 + 5z

Solving
9z = -15 + 5z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-5z' to each side of the equation.
9z + -5z = -15 + 5z + -5z

Combine like terms: 9z + -5z = 4z
4z = -15 + 5z + -5z

Combine like terms: 5z + -5z = 0
4z = -15 + 0
4z = -15

Divide each side by '4'.
z = -3.75

Simplifying
z = -3.75

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