20=11-p

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Solution for 20=11-p equation:


Simplifying
20 = 11 + -1p

Solving
20 = 11 + -1p

Solving for variable 'p'.

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

Add 'p' to each side of the equation.
20 + p = 11 + -1p + p

Combine like terms: -1p + p = 0
20 + p = 11 + 0
20 + p = 11

Add '-20' to each side of the equation.
20 + -20 + p = 11 + -20

Combine like terms: 20 + -20 = 0
0 + p = 11 + -20
p = 11 + -20

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

Simplifying
p = -9

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