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

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


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

Reorder the terms:
-2(-9 + 3z) + -2(4z + 3) + -3z = 0
(-9 * -2 + 3z * -2) + -2(4z + 3) + -3z = 0
(18 + -6z) + -2(4z + 3) + -3z = 0

Reorder the terms:
18 + -6z + -2(3 + 4z) + -3z = 0
18 + -6z + (3 * -2 + 4z * -2) + -3z = 0
18 + -6z + (-6 + -8z) + -3z = 0

Reorder the terms:
18 + -6 + -6z + -8z + -3z = 0

Combine like terms: 18 + -6 = 12
12 + -6z + -8z + -3z = 0

Combine like terms: -6z + -8z = -14z
12 + -14z + -3z = 0

Combine like terms: -14z + -3z = -17z
12 + -17z = 0

Solving
12 + -17z = 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 + -17z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -17z = 0 + -12
-17z = 0 + -12

Combine like terms: 0 + -12 = -12
-17z = -12

Divide each side by '-17'.
z = 0.7058823529

Simplifying
z = 0.7058823529

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