2P=20-2[9-Q+P]

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Solution for 2P=20-2[9-Q+P] equation:


Simplifying
2P = 20 + -2[9 + -1Q + P]

Reorder the terms:
2P = 20 + -2[9 + P + -1Q]
2P = 20 + [9 * -2 + P * -2 + -1Q * -2]
2P = 20 + [-18 + -2P + 2Q]

Combine like terms: 20 + -18 = 2
2P = 2 + -2P + 2Q

Solving
2P = 2 + -2P + 2Q

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.
2P + 2P = 2 + -2P + 2P + 2Q

Combine like terms: 2P + 2P = 4P
4P = 2 + -2P + 2P + 2Q

Combine like terms: -2P + 2P = 0
4P = 2 + 0 + 2Q
4P = 2 + 2Q

Divide each side by '4'.
P = 0.5 + 0.5Q

Simplifying
P = 0.5 + 0.5Q

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