-3p+15=42

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Solution for -3p+15=42 equation: 


Simplifying
-3p + 15 = 42

Reorder the terms:
15 + -3p = 42

Solving
15 + -3p = 42

Solving for variable 'p'.

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

Add '-15' to each side of the equation.
15 + -15 + -3p = 42 + -15

Combine like terms: 15 + -15 = 0
0 + -3p = 42 + -15
-3p = 42 + -15

Combine like terms: 42 + -15 = 27
-3p = 27

Divide each side by '-3'.
p = -9

Simplifying
p = -9

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