7(p+7)+p=81

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Solution for 7(p+7)+p=81 equation:


Simplifying
7(p + 7) + p = 81

Reorder the terms:
7(7 + p) + p = 81
(7 * 7 + p * 7) + p = 81
(49 + 7p) + p = 81

Combine like terms: 7p + p = 8p
49 + 8p = 81

Solving
49 + 8p = 81

Solving for variable 'p'.

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

Add '-49' to each side of the equation.
49 + -49 + 8p = 81 + -49

Combine like terms: 49 + -49 = 0
0 + 8p = 81 + -49
8p = 81 + -49

Combine like terms: 81 + -49 = 32
8p = 32

Divide each side by '8'.
p = 4

Simplifying
p = 4

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