21+7p=-7-4(-7+8p)

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Solution for 21+7p=-7-4(-7+8p) equation:


Simplifying
21 + 7p = -7 + -4(-7 + 8p)
21 + 7p = -7 + (-7 * -4 + 8p * -4)
21 + 7p = -7 + (28 + -32p)

Combine like terms: -7 + 28 = 21
21 + 7p = 21 + -32p

Add '-21' to each side of the equation.
21 + -21 + 7p = 21 + -21 + -32p

Combine like terms: 21 + -21 = 0
0 + 7p = 21 + -21 + -32p
7p = 21 + -21 + -32p

Combine like terms: 21 + -21 = 0
7p = 0 + -32p
7p = -32p

Solving
7p = -32p

Solving for variable 'p'.

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

Add '32p' to each side of the equation.
7p + 32p = -32p + 32p

Combine like terms: 7p + 32p = 39p
39p = -32p + 32p

Combine like terms: -32p + 32p = 0
39p = 0

Divide each side by '39'.
p = 0

Simplifying
p = 0

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