15z-9z=84-30

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Solution for 15z-9z=84-30 equation: 


Simplifying
15z + -9z = 84 + -30

Combine like terms: 15z + -9z = 6z
6z = 84 + -30

Combine like terms: 84 + -30 = 54
6z = 54

Solving
6z = 54

Solving for variable 'z'.

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

Divide each side by '6'.
z = 9

Simplifying
z = 9

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