Question

3 1/2(2p-1)-1 1/6(2p-1)=21 tentukan nilai p

Answer 1

7p-7/2-14/6p-7/6=21
7p-14/6p=21+49/6
21/6p= 49/6
p=49/6 x 6/21
p=7/3 

Answer 2

2p-1 (3 1/2 - 1 1/6) = 21
2p-1 (7/2 - 7/6) = 21
2p-1 (14/6)=21
2p-1=9
2p= 10
p= 5