-2(-z-3)=18

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Solution for -2(-z-3)=18 equation:


Simplifying
-2(-1z + -3) = 18

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

Solving
6 + 2z = 18

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 + 2z = 18 + -6

Combine like terms: 6 + -6 = 0
0 + 2z = 18 + -6
2z = 18 + -6

Combine like terms: 18 + -6 = 12
2z = 12

Divide each side by '2'.
z = 6

Simplifying
z = 6

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