solve for p: -3/7 p = 5/12?
回答 (7)
✔ 最佳答案
(3/7) p = - 5/12
36 p = - 35
p = - 35 / 36
- 3/7p = 5/12
(7/3)- 3/7p = (7/3)5/12
-p = 35/36
p = - 35/36.
-3/7(p) = 5/12
p = (5/12)/(-3/7)
p = (5/12)(-7/3)
p = -35/36
-3/7 p = 5/12
On cross multiplying,
p = 5/12 x -7/3
p = 5 x -7 / 12 x 3
p = -35 / 36
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
cross multiply
p = -35/36
-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
收錄日期: 2021-05-01 12:41:05
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