12+9(3z-2)-15z=

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Solution for 12+9(3z-2)-15z= equation:


Simplifying
12 + 9(3z + -2) + -15z = 0

Reorder the terms:
12 + 9(-2 + 3z) + -15z = 0
12 + (-2 * 9 + 3z * 9) + -15z = 0
12 + (-18 + 27z) + -15z = 0

Combine like terms: 12 + -18 = -6
-6 + 27z + -15z = 0

Combine like terms: 27z + -15z = 12z
-6 + 12z = 0

Solving
-6 + 12z = 0

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 + 12z = 0 + 6

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

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

Divide each side by '12'.
z = 0.5

Simplifying
z = 0.5

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