31=5P+4(7-p)

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Solution for 31=5P+4(7-p) equation: 


Simplifying
31 = 5P + 4(7 + -1p)
31 = 5P + (7 * 4 + -1p * 4)
31 = 5P + (28 + -4p)

Reorder the terms:
31 = 28 + 5P + -4p

Solving
31 = 28 + 5P + -4p

Solving for variable 'P'.

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

Add '-5P' to each side of the equation.
31 + -5P = 28 + 5P + -5P + -4p

Combine like terms: 5P + -5P = 0
31 + -5P = 28 + 0 + -4p
31 + -5P = 28 + -4p

Add '-31' to each side of the equation.
31 + -31 + -5P = 28 + -31 + -4p

Combine like terms: 31 + -31 = 0
0 + -5P = 28 + -31 + -4p
-5P = 28 + -31 + -4p

Combine like terms: 28 + -31 = -3
-5P = -3 + -4p

Divide each side by '-5'.
P = 0.6 + 0.8p

Simplifying
P = 0.6 + 0.8p

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