3(4z-5)+9(2z+3)=

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Solution for 3(4z-5)+9(2z+3)= equation:


Simplifying
3(4z + -5) + 9(2z + 3) = 0

Reorder the terms:
3(-5 + 4z) + 9(2z + 3) = 0
(-5 * 3 + 4z * 3) + 9(2z + 3) = 0
(-15 + 12z) + 9(2z + 3) = 0

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

Reorder the terms:
-15 + 27 + 12z + 18z = 0

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

Combine like terms: 12z + 18z = 30z
12 + 30z = 0

Solving
12 + 30z = 0

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + 30z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 30z = 0 + -12
30z = 0 + -12

Combine like terms: 0 + -12 = -12
30z = -12

Divide each side by '30'.
z = -0.4

Simplifying
z = -0.4

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