84=-4(-2p-7)

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Solution for 84=-4(-2p-7) equation:


Simplifying
84 = -4(-2p + -7)

Reorder the terms:
84 = -4(-7 + -2p)
84 = (-7 * -4 + -2p * -4)
84 = (28 + 8p)

Solving
84 = 28 + 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.
84 + -8p = 28 + 8p + -8p

Combine like terms: 8p + -8p = 0
84 + -8p = 28 + 0
84 + -8p = 28

Add '-84' to each side of the equation.
84 + -84 + -8p = 28 + -84

Combine like terms: 84 + -84 = 0
0 + -8p = 28 + -84
-8p = 28 + -84

Combine like terms: 28 + -84 = -56
-8p = -56

Divide each side by '-8'.
p = 7

Simplifying
p = 7

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