19-2p=21

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Solution for 19-2p=21 equation: 


Simplifying
19 + -2p = 21

Solving
19 + -2p = 21

Solving for variable 'p'.

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

Add '-19' to each side of the equation.
19 + -19 + -2p = 21 + -19

Combine like terms: 19 + -19 = 0
0 + -2p = 21 + -19
-2p = 21 + -19

Combine like terms: 21 + -19 = 2
-2p = 2

Divide each side by '-2'.
p = -1

Simplifying
p = -1

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