-81=3-7(p+4)

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Solution for -81=3-7(p+4) equation:


Simplifying
-81 = 3 + -7(p + 4)

Reorder the terms:
-81 = 3 + -7(4 + p)
-81 = 3 + (4 * -7 + p * -7)
-81 = 3 + (-28 + -7p)

Combine like terms: 3 + -28 = -25
-81 = -25 + -7p

Solving
-81 = -25 + -7p

Solving for variable 'p'.

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

Add '7p' to each side of the equation.
-81 + 7p = -25 + -7p + 7p

Combine like terms: -7p + 7p = 0
-81 + 7p = -25 + 0
-81 + 7p = -25

Add '81' to each side of the equation.
-81 + 81 + 7p = -25 + 81

Combine like terms: -81 + 81 = 0
0 + 7p = -25 + 81
7p = -25 + 81

Combine like terms: -25 + 81 = 56
7p = 56

Divide each side by '7'.
p = 8

Simplifying
p = 8

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