9z-12=3z

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Solution for 9z-12=3z equation:


Simplifying
9z + -12 = 3z

Reorder the terms:
-12 + 9z = 3z

Solving
-12 + 9z = 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-12 + 9z + -3z = 3z + -3z

Combine like terms: 9z + -3z = 6z
-12 + 6z = 3z + -3z

Combine like terms: 3z + -3z = 0
-12 + 6z = 0

Add '12' to each side of the equation.
-12 + 12 + 6z = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 6z = 0 + 12
6z = 0 + 12

Combine like terms: 0 + 12 = 12
6z = 12

Divide each side by '6'.
z = 2

Simplifying
z = 2

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