Question

Tolong di bantu jawab ya kakak2 abang2

Answer 1

Jawabannya adalah :

-4/3 (pasti benar)

Answer 2

Diperoleh SPLDV :
3p - 5q = 4
10q + 9p = -13

3p - 5q = 4 dikali 3
9p + 10 q = - 13

9p - 15q = 12
9p + 10q = -13
eliminasi
-25q = 25
q = -1

substitusi
3p - 5q = 4
3p + 5 = 4
3p = -1
p= -1/3

6p+2q/3
=6(-1/3)+2(-1)/3
=-2-2/3
=-4/3