x + 5y = 13 dan 2x - y = 4
Matematika
atikah89
Pertanyaan
x + 5y = 13 dan 2x - y = 4
1 Jawaban
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1. Jawaban eliesersiahaan
2X-Y=4, Y=2X-4
X+5(2X-4)=13
X+10X-20=13
11X-20=13
11X=20+13, 11X=33
X=33/11, X=3
2(3)-Y=4
6-Y=4
Y=6-4
Y=2
X=3
Y=2