Jawaban:
3x + y = 1
y = 1 - 3x
5x + 2y = 3
5x + 2(1-3x) = 3
5x + 2 - 6x = 3
-x = 3-2
x = -1
y = 1 - 3x = 1 - 3(-1) = 1 + 3 = 4
y = 4
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Jawaban:
3x + y = 1
y = 1 - 3x
5x + 2y = 3
5x + 2(1-3x) = 3
5x + 2 - 6x = 3
-x = 3-2
x = -1
y = 1 - 3x = 1 - 3(-1) = 1 + 3 = 4
x = -1
y = 4