81=7z

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Solution for 81=7z equation:


Simplifying
81 = 7z

Solving
81 = 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
81 + -7z = 7z + -7z

Combine like terms: 7z + -7z = 0
81 + -7z = 0

Add '-81' to each side of the equation.
81 + -81 + -7z = 0 + -81

Combine like terms: 81 + -81 = 0
0 + -7z = 0 + -81
-7z = 0 + -81

Combine like terms: 0 + -81 = -81
-7z = -81

Divide each side by '-7'.
z = 11.57142857

Simplifying
z = 11.57142857

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