57=12(-3-4p)-9(1+6p)

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Solution for 57=12(-3-4p)-9(1+6p) equation:


Simplifying
57 = 12(-3 + -4p) + -9(1 + 6p)
57 = (-3 * 12 + -4p * 12) + -9(1 + 6p)
57 = (-36 + -48p) + -9(1 + 6p)
57 = -36 + -48p + (1 * -9 + 6p * -9)
57 = -36 + -48p + (-9 + -54p)

Reorder the terms:
57 = -36 + -9 + -48p + -54p

Combine like terms: -36 + -9 = -45
57 = -45 + -48p + -54p

Combine like terms: -48p + -54p = -102p
57 = -45 + -102p

Solving
57 = -45 + -102p

Solving for variable 'p'.

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

Add '102p' to each side of the equation.
57 + 102p = -45 + -102p + 102p

Combine like terms: -102p + 102p = 0
57 + 102p = -45 + 0
57 + 102p = -45

Add '-57' to each side of the equation.
57 + -57 + 102p = -45 + -57

Combine like terms: 57 + -57 = 0
0 + 102p = -45 + -57
102p = -45 + -57

Combine like terms: -45 + -57 = -102
102p = -102

Divide each side by '102'.
p = -1

Simplifying
p = -1

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