1+81=9z-7

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Solution for 1+81=9z-7 equation:


Simplifying
1 + 81 = 9z + -7

Combine like terms: 1 + 81 = 82
82 = 9z + -7

Reorder the terms:
82 = -7 + 9z

Solving
82 = -7 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
82 + -9z = -7 + 9z + -9z

Combine like terms: 9z + -9z = 0
82 + -9z = -7 + 0
82 + -9z = -7

Add '-82' to each side of the equation.
82 + -82 + -9z = -7 + -82

Combine like terms: 82 + -82 = 0
0 + -9z = -7 + -82
-9z = -7 + -82

Combine like terms: -7 + -82 = -89
-9z = -89

Divide each side by '-9'.
z = 9.888888889

Simplifying
z = 9.888888889

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