-1-2(-9z-8)=(3z+6)-9

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Solution for -1-2(-9z-8)=(3z+6)-9 equation:


Simplifying
-1 + -2(-9z + -8) = (3z + 6) + -9

Reorder the terms:
-1 + -2(-8 + -9z) = (3z + 6) + -9
-1 + (-8 * -2 + -9z * -2) = (3z + 6) + -9
-1 + (16 + 18z) = (3z + 6) + -9

Combine like terms: -1 + 16 = 15
15 + 18z = (3z + 6) + -9

Reorder the terms:
15 + 18z = (6 + 3z) + -9

Remove parenthesis around (6 + 3z)
15 + 18z = 6 + 3z + -9

Reorder the terms:
15 + 18z = 6 + -9 + 3z

Combine like terms: 6 + -9 = -3
15 + 18z = -3 + 3z

Solving
15 + 18z = -3 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
15 + 18z + -3z = -3 + 3z + -3z

Combine like terms: 18z + -3z = 15z
15 + 15z = -3 + 3z + -3z

Combine like terms: 3z + -3z = 0
15 + 15z = -3 + 0
15 + 15z = -3

Add '-15' to each side of the equation.
15 + -15 + 15z = -3 + -15

Combine like terms: 15 + -15 = 0
0 + 15z = -3 + -15
15z = -3 + -15

Combine like terms: -3 + -15 = -18
15z = -18

Divide each side by '15'.
z = -1.2

Simplifying
z = -1.2

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