81=8+z

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Solution for 81=8+z equation:


Simplifying
81 = 8 + z

Solving
81 = 8 + 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.
81 + -1z = 8 + z + -1z

Combine like terms: z + -1z = 0
81 + -1z = 8 + 0
81 + -1z = 8

Add '-81' to each side of the equation.
81 + -81 + -1z = 8 + -81

Combine like terms: 81 + -81 = 0
0 + -1z = 8 + -81
-1z = 8 + -81

Combine like terms: 8 + -81 = -73
-1z = -73

Divide each side by '-1'.
z = 73

Simplifying
z = 73

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