5p+7p+9p=-21

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Solution for 5p+7p+9p=-21 equation: 


Simplifying
5p + 7p + 9p = -21

Combine like terms: 5p + 7p = 12p
12p + 9p = -21

Combine like terms: 12p + 9p = 21p
21p = -21

Solving
21p = -21

Solving for variable 'p'.

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

Divide each side by '21'.
p = -1

Simplifying
p = -1

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