Z+81=9a-7

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Solution for Z+81=9a-7 equation: 


Simplifying
Z + 81 = 9a + -7

Reorder the terms:
81 + Z = 9a + -7

Reorder the terms:
81 + Z = -7 + 9a

Solving
81 + Z = -7 + 9a

Solving for variable 'Z'.

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

Add '-81' to each side of the equation.
81 + -81 + Z = -7 + -81 + 9a

Combine like terms: 81 + -81 = 0
0 + Z = -7 + -81 + 9a
Z = -7 + -81 + 9a

Combine like terms: -7 + -81 = -88
Z = -88 + 9a

Simplifying
Z = -88 + 9a

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