81=-9(5-6p)+3(p+4)

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Solution for 81=-9(5-6p)+3(p+4) equation:


Simplifying
81 = -9(5 + -6p) + 3(p + 4)
81 = (5 * -9 + -6p * -9) + 3(p + 4)
81 = (-45 + 54p) + 3(p + 4)

Reorder the terms:
81 = -45 + 54p + 3(4 + p)
81 = -45 + 54p + (4 * 3 + p * 3)
81 = -45 + 54p + (12 + 3p)

Reorder the terms:
81 = -45 + 12 + 54p + 3p

Combine like terms: -45 + 12 = -33
81 = -33 + 54p + 3p

Combine like terms: 54p + 3p = 57p
81 = -33 + 57p

Solving
81 = -33 + 57p

Solving for variable 'p'.

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

Add '-57p' to each side of the equation.
81 + -57p = -33 + 57p + -57p

Combine like terms: 57p + -57p = 0
81 + -57p = -33 + 0
81 + -57p = -33

Add '-81' to each side of the equation.
81 + -81 + -57p = -33 + -81

Combine like terms: 81 + -81 = 0
0 + -57p = -33 + -81
-57p = -33 + -81

Combine like terms: -33 + -81 = -114
-57p = -114

Divide each side by '-57'.
p = 2

Simplifying
p = 2

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