3(4z+5)-9=

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Solution for 3(4z+5)-9= equation:


Simplifying
3(4z + 5) + -9 = 0

Reorder the terms:
3(5 + 4z) + -9 = 0
(5 * 3 + 4z * 3) + -9 = 0
(15 + 12z) + -9 = 0

Reorder the terms:
15 + -9 + 12z = 0

Combine like terms: 15 + -9 = 6
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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