12z-9=18

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Solution for 12z-9=18 equation: 


Simplifying
12z + -9 = 18

Reorder the terms:
-9 + 12z = 18

Solving
-9 + 12z = 18

Solving for variable 'z'.

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

Add '9' to each side of the equation.
-9 + 9 + 12z = 18 + 9

Combine like terms: -9 + 9 = 0
0 + 12z = 18 + 9
12z = 18 + 9

Combine like terms: 18 + 9 = 27
12z = 27

Divide each side by '12'.
z = 2.25

Simplifying
z = 2.25

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