2×+3y=19 dan ×-2y=-81
Matematika
rahman316
Pertanyaan
2×+3y=19 dan ×-2y=-81
1 Jawaban
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1. Jawaban yina1100
2×+3y=19
x-2y=-81 |×2
2x+3y=19
2x-4y=-162
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7y =181
y= 25 6/7
x=-81+ 362/7
x=132,71