-p+8p=8(p-5)-4(p-7)

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Solution for -p+8p=8(p-5)-4(p-7) equation:


Simplifying
-1p + 8p = 8(p + -5) + -4(p + -7)

Combine like terms: -1p + 8p = 7p
7p = 8(p + -5) + -4(p + -7)

Reorder the terms:
7p = 8(-5 + p) + -4(p + -7)
7p = (-5 * 8 + p * 8) + -4(p + -7)
7p = (-40 + 8p) + -4(p + -7)

Reorder the terms:
7p = -40 + 8p + -4(-7 + p)
7p = -40 + 8p + (-7 * -4 + p * -4)
7p = -40 + 8p + (28 + -4p)

Reorder the terms:
7p = -40 + 28 + 8p + -4p

Combine like terms: -40 + 28 = -12
7p = -12 + 8p + -4p

Combine like terms: 8p + -4p = 4p
7p = -12 + 4p

Solving
7p = -12 + 4p

Solving for variable 'p'.

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

Add '-4p' to each side of the equation.
7p + -4p = -12 + 4p + -4p

Combine like terms: 7p + -4p = 3p
3p = -12 + 4p + -4p

Combine like terms: 4p + -4p = 0
3p = -12 + 0
3p = -12

Divide each side by '3'.
p = -4

Simplifying
p = -4

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