6z-9=6z-z

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


Simplifying
6z + -9 = 6z + -1z

Reorder the terms:
-9 + 6z = 6z + -1z

Combine like terms: 6z + -1z = 5z
-9 + 6z = 5z

Solving
-9 + 6z = 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.
-9 + 6z + -5z = 5z + -5z

Combine like terms: 6z + -5z = 1z
-9 + 1z = 5z + -5z

Combine like terms: 5z + -5z = 0
-9 + 1z = 0

Add '9' to each side of the equation.
-9 + 9 + 1z = 0 + 9

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

Combine like terms: 0 + 9 = 9
1z = 9

Divide each side by '1'.
z = 9

Simplifying
z = 9

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