Nilai x + y - z = ....
Matematika
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Pertanyaan
Nilai x + y - z = ....
1 Jawaban
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1. Jawaban ForestoAY
2x + 40 = 130
2x = 90
x = 45
y + 10 = 40
y = 30
3z + 20 = 80
3z = 60
z = 20
x + y - z
45 + 30 - 20 = 55