p+7=9-p

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Solution for p+7=9-p equation:


Simplifying
p + 7 = 9 + -1p

Reorder the terms:
7 + p = 9 + -1p

Solving
7 + p = 9 + -1p

Solving for variable 'p'.

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

Add 'p' to each side of the equation.
7 + p + p = 9 + -1p + p

Combine like terms: p + p = 2p
7 + 2p = 9 + -1p + p

Combine like terms: -1p + p = 0
7 + 2p = 9 + 0
7 + 2p = 9

Add '-7' to each side of the equation.
7 + -7 + 2p = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 2p = 9 + -7
2p = 9 + -7

Combine like terms: 9 + -7 = 2
2p = 2

Divide each side by '2'.
p = 1

Simplifying
p = 1

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