1. 2x-3y = 7 3x+2y = 4
Matematika
rafliazka
Pertanyaan
1. 2x-3y = 7
3x+2y = 4
3x+2y = 4
1 Jawaban
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1. Jawaban yuliahandayan53
2x-3y=7 |3| 2x-3(-1)=7
3x+2y=4 |2| 2x+3=7
__________- 2x=4
6x-9y=21 x=2
6x+4y=8
__________-
-13y=13
y=-1