-9=-20+p

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Solution for -9=-20+p equation:


Simplifying
-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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