91=(-p)+8(7+p)

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Solution for 91=(-p)+8(7+p) equation:


Simplifying
91 = (-1p) + 8(7 + p)
91 = (-1p) + (7 * 8 + p * 8)
91 = (-1p) + (56 + 8p)

Reorder the terms:
91 = 56 + (-1p) + 8p

Combine like terms: (-1p) + 8p = 7p
91 = 56 + 7p

Solving
91 = 56 + 7p

Solving for variable 'p'.

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

Add '-7p' to each side of the equation.
91 + -7p = 56 + 7p + -7p

Combine like terms: 7p + -7p = 0
91 + -7p = 56 + 0
91 + -7p = 56

Add '-91' to each side of the equation.
91 + -91 + -7p = 56 + -91

Combine like terms: 91 + -91 = 0
0 + -7p = 56 + -91
-7p = 56 + -91

Combine like terms: 56 + -91 = -35
-7p = -35

Divide each side by '-7'.
p = 5

Simplifying
p = 5

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