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x + 4y = 33 X 6 = 6x + 24y = 198 _
-27y = -198
y = 7
6x - 3y = 9 X 4 = 24x - 12y = 36
x + 4y = 33 X 3 = 3x + 12y = 99 +
27y = 135
y = 5
2x + 2y = 2(5) + 2(7) = 10 + 14 = 24
4) 5x + 6y = 48 X 1 = 5x + 6y = 48
7x + 3y = 60 X 2 = 14x + 6y = 120 _
-9x = -72
x = 8
5) 4x - 5y = 22 X 1 = 4x + 5y = 22
2x + 7y = 38 X 2 = 4x + 14y = 76 _
-9y = -54
y = 6
Tapi coba periksa lagi ya, takutnya ada yang salah ngitung ^^