solve for p: -3/7 p = 5/12?

2009-08-09 6:46 am

回答 (7)

2009-08-11 12:00 pm
✔ 最佳答案
(3/7) p = - 5/12

36 p = - 35

p = - 35 / 36
2009-08-10 1:55 am
- 3/7p = 5/12
(7/3)- 3/7p = (7/3)5/12
-p = 35/36
p = - 35/36.
2009-08-09 4:34 pm
-3/7(p) = 5/12
p = (5/12)/(-3/7)
p = (5/12)(-7/3)
p = -35/36
2009-08-09 2:27 pm
-3/7 p = 5/12
On cross multiplying,
p = 5/12 x -7/3
p = 5 x -7 / 12 x 3
p = -35 / 36
2009-08-09 1:54 pm
Use cross multiplication to solve for P
-3/7p = 5/12 so
-3p*12= -36p
5*7=35
-36p = 35 divide by -36 to remove it from p
p=-35/36
2009-08-09 1:53 pm
cross multiply

p = -35/36
2009-08-09 1:53 pm
-3/7 p = 5/12

-3p / (7*3) = 5/3*12

-p/7 = 5/36

p/7 = -5/36

7p/7 = -5*7/36

p = - 35 / 36


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