3 x +8 y=40 5x+8y=16
Matematika
ilonaputri2707
Pertanyaan
3 x +8 y=40
5x+8y=16
5x+8y=16
1 Jawaban
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1. Jawaban onnyfathi
3x+8y = 40
5x+8y = 16 (dikurangkan)
» -2x = 24
» x = -12
3x+8y = 40
3×(-12)+8y = 40
-36+8y = 40
8y = 40+36
8y = 76
y = 9,5