3p+21=-12

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Solution for 3p+21=-12 equation: 


Simplifying
3p + 21 = -12

Reorder the terms:
21 + 3p = -12

Solving
21 + 3p = -12

Solving for variable 'p'.

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

Add '-21' to each side of the equation.
21 + -21 + 3p = -12 + -21

Combine like terms: 21 + -21 = 0
0 + 3p = -12 + -21
3p = -12 + -21

Combine like terms: -12 + -21 = -33
3p = -33

Divide each side by '3'.
p = -11

Simplifying
p = -11

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