jika 5p-q=14 dan 3p+2q=-2 maka p+3q adalah

5p - q = 14 || ×3
3p + 2q = -2 || ×5

15p - 3q = 41
15p + 10q = -10
------------------ -
-13q = 51
q = -51/13
p = 5p - (-51/13) = 14
= 5p = 14 - 51/13
= p = 131/13

p + 3q = 131/13 + 3(-51/13)
= 131/13 - 153/13
= -22/13

5p -q = 14 |3| 15p - 3q = 24
3p +2q =-2 |5| 15p + 10q =-10
__________ -
7p = 14
p = 14:7 =2
5p-q=14
52-q = 14
10 - q = 14
q = 14-10
q = 4

2+12 =14