jika diketahui 3x-2y=12/ 5x+y=7. Jika x=p, y=q Tentukan 4p+3q
Matematika
Chindyrl15
Pertanyaan
jika diketahui 3x-2y=12/ 5x+y=7. Jika x=p, y=q Tentukan 4p+3q
1 Jawaban
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1. Jawaban IstiqomahNurJannah24
(x1) 3x-2y =12
(x2) 10x+2y = 14
__________ +
13x = 26
x = 26/13
x = 2
# 3x-2y=12
3.2 - 2y =12
2y= 12-6
2y= 6
y = 6/2
= 3
#4p+3q
=4.2+3.3
=8 + 9
=17