20-4p=40-2p

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Solution for 20-4p=40-2p equation:


Simplifying
20 + -4p = 40 + -2p

Solving
20 + -4p = 40 + -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 + -4p + 2p = 40 + -2p + 2p

Combine like terms: -4p + 2p = -2p
20 + -2p = 40 + -2p + 2p

Combine like terms: -2p + 2p = 0
20 + -2p = 40 + 0
20 + -2p = 40

Add '-20' to each side of the equation.
20 + -20 + -2p = 40 + -20

Combine like terms: 20 + -20 = 0
0 + -2p = 40 + -20
-2p = 40 + -20

Combine like terms: 40 + -20 = 20
-2p = 20

Divide each side by '-2'.
p = -10

Simplifying
p = -10

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