20=2(p-1)

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Solution for 20=2(p-1) equation:


Simplifying
20 = 2(p + -1)

Reorder the terms:
20 = 2(-1 + p)
20 = (-1 * 2 + p * 2)
20 = (-2 + 2p)

Solving
20 = -2 + 2p

Solving for variable 'p'.

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

Add '-2p' to each side of the equation.
20 + -2p = -2 + 2p + -2p

Combine like terms: 2p + -2p = 0
20 + -2p = -2 + 0
20 + -2p = -2

Add '-20' to each side of the equation.
20 + -20 + -2p = -2 + -20

Combine like terms: 20 + -20 = 0
0 + -2p = -2 + -20
-2p = -2 + -20

Combine like terms: -2 + -20 = -22
-2p = -22

Divide each side by '-2'.
p = 11

Simplifying
p = 11

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