6-7z=z+9

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Solution for 6-7z=z+9 equation:


Simplifying
6 + -7z = z + 9

Reorder the terms:
6 + -7z = 9 + z

Solving
6 + -7z = 9 + 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.
6 + -7z + -1z = 9 + z + -1z

Combine like terms: -7z + -1z = -8z
6 + -8z = 9 + z + -1z

Combine like terms: z + -1z = 0
6 + -8z = 9 + 0
6 + -8z = 9

Add '-6' to each side of the equation.
6 + -6 + -8z = 9 + -6

Combine like terms: 6 + -6 = 0
0 + -8z = 9 + -6
-8z = 9 + -6

Combine like terms: 9 + -6 = 3
-8z = 3

Divide each side by '-8'.
z = -0.375

Simplifying
z = -0.375

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