z+15-9=

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Solution for z+15-9= equation: 


Simplifying
z + 15 + -9 = 0

Reorder the terms:
15 + -9 + z = 0

Combine like terms: 15 + -9 = 6
6 + z = 0

Solving
6 + z = 0

Solving for variable 'z'.

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

Add '-6' to each side of the equation.
6 + -6 + z = 0 + -6

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

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

Simplifying
z = -6

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