100-2p=-20+2p

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Solution for 100-2p=-20+2p equation:


Simplifying
100 + -2p = -20 + 2p

Solving
100 + -2p = -20 + 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.
100 + -2p + -2p = -20 + 2p + -2p

Combine like terms: -2p + -2p = -4p
100 + -4p = -20 + 2p + -2p

Combine like terms: 2p + -2p = 0
100 + -4p = -20 + 0
100 + -4p = -20

Add '-100' to each side of the equation.
100 + -100 + -4p = -20 + -100

Combine like terms: 100 + -100 = 0
0 + -4p = -20 + -100
-4p = -20 + -100

Combine like terms: -20 + -100 = -120
-4p = -120

Divide each side by '-4'.
p = 30

Simplifying
p = 30

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