81-3z=y

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Solution for 81-3z=y equation:


Simplifying
81 + -3z = y

Solving
81 + -3z = y

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 + -3z = -81 + y

Combine like terms: 81 + -81 = 0
0 + -3z = -81 + y
-3z = -81 + y

Divide each side by '-3'.
z = 27 + -0.3333333333y

Simplifying
z = 27 + -0.3333333333y

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