7z+12=z-6

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Solution for 7z+12=z-6 equation:


Simplifying
7z + 12 = z + -6

Reorder the terms:
12 + 7z = z + -6

Reorder the terms:
12 + 7z = -6 + z

Solving
12 + 7z = -6 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
12 + 7z + -1z = -6 + z + -1z

Combine like terms: 7z + -1z = 6z
12 + 6z = -6 + z + -1z

Combine like terms: z + -1z = 0
12 + 6z = -6 + 0
12 + 6z = -6

Add '-12' to each side of the equation.
12 + -12 + 6z = -6 + -12

Combine like terms: 12 + -12 = 0
0 + 6z = -6 + -12
6z = -6 + -12

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

Divide each side by '6'.
z = -3

Simplifying
z = -3

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