3z-18=z-(12-4z)

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Solution for 3z-18=z-(12-4z) equation:


Simplifying
3z + -18 = z + -1(12 + -4z)

Reorder the terms:
-18 + 3z = z + -1(12 + -4z)
-18 + 3z = z + (12 * -1 + -4z * -1)
-18 + 3z = z + (-12 + 4z)

Reorder the terms:
-18 + 3z = -12 + z + 4z

Combine like terms: z + 4z = 5z
-18 + 3z = -12 + 5z

Solving
-18 + 3z = -12 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-18 + 3z + -5z = -12 + 5z + -5z

Combine like terms: 3z + -5z = -2z
-18 + -2z = -12 + 5z + -5z

Combine like terms: 5z + -5z = 0
-18 + -2z = -12 + 0
-18 + -2z = -12

Add '18' to each side of the equation.
-18 + 18 + -2z = -12 + 18

Combine like terms: -18 + 18 = 0
0 + -2z = -12 + 18
-2z = -12 + 18

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

Divide each side by '-2'.
z = -3

Simplifying
z = -3

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