9=p+20

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Solution for 9=p+20 equation:


Simplifying
9 = p + 20

Reorder the terms:
9 = 20 + p

Solving
9 = 20 + p

Solving for variable 'p'.

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

Add '-1p' to each side of the equation.
9 + -1p = 20 + p + -1p

Combine like terms: p + -1p = 0
9 + -1p = 20 + 0
9 + -1p = 20

Add '-9' to each side of the equation.
9 + -9 + -1p = 20 + -9

Combine like terms: 9 + -9 = 0
0 + -1p = 20 + -9
-1p = 20 + -9

Combine like terms: 20 + -9 = 11
-1p = 11

Divide each side by '-1'.
p = -11

Simplifying
p = -11

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