18=-z-6+5z-12

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Solution for 18=-z-6+5z-12 equation:


Simplifying
18 = -1z + -6 + 5z + -12

Reorder the terms:
18 = -6 + -12 + -1z + 5z

Combine like terms: -6 + -12 = -18
18 = -18 + -1z + 5z

Combine like terms: -1z + 5z = 4z
18 = -18 + 4z

Solving
18 = -18 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
18 + -4z = -18 + 4z + -4z

Combine like terms: 4z + -4z = 0
18 + -4z = -18 + 0
18 + -4z = -18

Add '-18' to each side of the equation.
18 + -18 + -4z = -18 + -18

Combine like terms: 18 + -18 = 0
0 + -4z = -18 + -18
-4z = -18 + -18

Combine like terms: -18 + -18 = -36
-4z = -36

Divide each side by '-4'.
z = 9

Simplifying
z = 9

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