(p+20)+p+(2p-32)=400

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Solution for (p+20)+p+(2p-32)=400 equation:


Simplifying
(p + 20) + p + (2p + -32) = 400

Reorder the terms:
(20 + p) + p + (2p + -32) = 400

Remove parenthesis around (20 + p)
20 + p + p + (2p + -32) = 400

Reorder the terms:
20 + p + p + (-32 + 2p) = 400

Remove parenthesis around (-32 + 2p)
20 + p + p + -32 + 2p = 400

Reorder the terms:
20 + -32 + p + p + 2p = 400

Combine like terms: 20 + -32 = -12
-12 + p + p + 2p = 400

Combine like terms: p + p = 2p
-12 + 2p + 2p = 400

Combine like terms: 2p + 2p = 4p
-12 + 4p = 400

Solving
-12 + 4p = 400

Solving for variable 'p'.

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

Add '12' to each side of the equation.
-12 + 12 + 4p = 400 + 12

Combine like terms: -12 + 12 = 0
0 + 4p = 400 + 12
4p = 400 + 12

Combine like terms: 400 + 12 = 412
4p = 412

Divide each side by '4'.
p = 103

Simplifying
p = 103

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