Solve the following equation for P: Q = 30 - 2P?

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2007-09-01 09:45:23 · 5 answers · asked by RedSparkle 1 in Science & Mathematics ➔ Mathematics

2P = 30 - Q
P = 15 - Q / 2

2007-09-05 08:23:44 · answer #1 · answered by Como 7 · 0⤊ 0⤋

Q-30=-2P
(30-Q)/2=P

2007-09-01 09:49:25 · answer #2 · answered by chasrmck 6 · 0⤊ 0⤋

Q = 30 - 2P

Add 2P to and subtract Q from both sides...

2P = 30 - Q

Divide through both sides by 2...

P = (30 - Q)/2

2007-09-01 09:52:27 · answer #3 · answered by richarduie 6 · 0⤊ 0⤋

Q = 30 - 2P

Isolate P

Q-30 = 30 - 30 - 2P
Q-30 = -2P

P = (Q-30)/-2
P = 15 - (1/2)Q

2007-09-01 09:50:49 · answer #4 · answered by Vu 3 · 0⤊ 0⤋

q = 30 - 2p
2p = 30 - q
p = (30 - q)/2
OR
p = 15 - q/2

2007-09-01 09:51:11 · answer #5 · answered by lenpol7 7 · 0⤊ 0⤋