p+p-4=-9

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Solution for p+p-4=-9 equation: 


Simplifying
p + p + -4 = -9

Reorder the terms:
-4 + p + p = -9

Combine like terms: p + p = 2p
-4 + 2p = -9

Solving
-4 + 2p = -9

Solving for variable 'p'.

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

Add '4' to each side of the equation.
-4 + 4 + 2p = -9 + 4

Combine like terms: -4 + 4 = 0
0 + 2p = -9 + 4
2p = -9 + 4

Combine like terms: -9 + 4 = -5
2p = -5

Divide each side by '2'.
p = -2.5

Simplifying
p = -2.5

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