Jawaban:
x - 3y = 5
2x + y = 3
eliminasi x
x - 3y = 5 |×2
2x + y = 3 |×1
__________ =
2x - 6y = 10
__________ _
-7y = 7
y = -1
substitusi y=-1
2x - 1 = 3
2x = 3 + 1
2x = 4
x = 2
nilai x dan y adalah 2,-1
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Verified answer
Jawaban:
x - 3y = 5
2x + y = 3
eliminasi x
x - 3y = 5 |×2
2x + y = 3 |×1
__________ =
2x - 6y = 10
2x + y = 3
__________ _
-7y = 7
y = -1
substitusi y=-1
2x + y = 3
2x - 1 = 3
2x = 3 + 1
2x = 4
x = 2
nilai x dan y adalah 2,-1