12z-15z-6=12

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Solution for 12z-15z-6=12 equation:


Simplifying
12z + -15z + -6 = 12

Reorder the terms:
-6 + 12z + -15z = 12

Combine like terms: 12z + -15z = -3z
-6 + -3z = 12

Solving
-6 + -3z = 12

Solving for variable 'z'.

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

Add '6' to each side of the equation.
-6 + 6 + -3z = 12 + 6

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

Combine like terms: 12 + 6 = 18
-3z = 18

Divide each side by '-3'.
z = -6

Simplifying
z = -6

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