2x+y=5dan3x-2y=11 tolong bantuannya
Matematika
grace301
Pertanyaan
2x+y=5dan3x-2y=11
tolong bantuannya
tolong bantuannya
1 Jawaban
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1. Jawaban Aris18
2x + y = 5 | x3
3x - 2y = 11 | x2
6x + 3y = 15
6x - 4y = 22
_________-
7y = -7
y = -1
2x + y = 5
2x + (-1) = 5
2x = 5 + 1
x = 6/2
x = 3
jadi, X = 3 dan Y = -1