5p+7+9p=-21

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


Simplifying
5p + 7 + 9p = -21

Reorder the terms:
7 + 5p + 9p = -21

Combine like terms: 5p + 9p = 14p
7 + 14p = -21

Solving
7 + 14p = -21

Solving for variable 'p'.

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

Add '-7' to each side of the equation.
7 + -7 + 14p = -21 + -7

Combine like terms: 7 + -7 = 0
0 + 14p = -21 + -7
14p = -21 + -7

Combine like terms: -21 + -7 = -28
14p = -28

Divide each side by '14'.
p = -2

Simplifying
p = -2

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