-3z+9-12=-12

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Solution for -3z+9-12=-12 equation:


Simplifying
-3z + 9 + -12 = -12

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

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

Solving
-3 + -3z = -12

Solving for variable 'z'.

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

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

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

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

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

Simplifying
z = 3

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