81=9-8p

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Solution for 81=9-8p equation:


Simplifying
81 = 9 + -8p

Solving
81 = 9 + -8p

Solving for variable 'p'.

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

Add '8p' to each side of the equation.
81 + 8p = 9 + -8p + 8p

Combine like terms: -8p + 8p = 0
81 + 8p = 9 + 0
81 + 8p = 9

Add '-81' to each side of the equation.
81 + -81 + 8p = 9 + -81

Combine like terms: 81 + -81 = 0
0 + 8p = 9 + -81
8p = 9 + -81

Combine like terms: 9 + -81 = -72
8p = -72

Divide each side by '8'.
p = -9

Simplifying
p = -9

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