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Q = 30 - 2 P
Add '2P' to each side of the equation:
Q + 2P = 30
Subtract 'Q' from each side:
2P = 30 - Q
Divide each side by 2:
P = 15 - 1/2 Q
First, set up the equation you are given: 15 - 2p = 9 Subtract 15 from each side of the equation: 15 -2p - 15 = 9-15 Then, you should have: -2p = -6 Divide each side by -2: (-2p)/(-2) = (-6/-2) Solve for p: p = 3
P - - p = 2p
A*D*2P
p = 4
That depends what the value of p is.