nilai x-y=5 dan x-y=1 maka nilai 2x-y=
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Pertanyaan
nilai x-y=5 dan x-y=1 maka nilai 2x-y=
1 Jawaban
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1. Jawaban nabilap0
x - y = 5
x - y = 1
__________ +
2x = 6
x = 3
Masukkan x ke:
x - y = 5
3 - y = 5
-y = 5 - 3
-y = 2
y = -2
Maka:
2x - y
= 2(3) - (-2)
= 6 + 2
= 8