SPLDV 6p + 2q = 12 3p + 5q = 15
Matematika
Arifgauul
Pertanyaan
SPLDV 6p + 2q = 12
3p + 5q = 15
3p + 5q = 15
1 Jawaban
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1. Jawaban QueenD
6p + 2q = 12 .....(1)
=> 3p + q = 6
=> q = 6 - 3p ......(2)
3p + 5q = 15 .......(3)
substitusi (2) ke (3)
3p + 5(6 - 3p) = 15
3p + 30 - 15p = 15
-12p = 15 - 30
-12p = -15
p = -15 : (-12)
p = 5/4
substitusi p = 5/4 ke pers (2)
q = 6 - 3(5/4)
q = 6 - 15/4
q = 24/4 - 15/4
q = 9/4