4x+3y =-5 dan -x+3y=-10
Matematika
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Pertanyaan
4x+3y =-5 dan -x+3y=-10
1 Jawaban
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1. Jawaban VaniaAnanda
(1) 4x + 3y = -5
(2) -x + 3y = -10
Subtitusikan!
4x + 3y = -5
-x + 3y = -10
__________ -
5x = 5
x = 1
4(1) + 3y = -5
4 + 3y = -5
3y = -9
y = -3