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x=0 y=16
y=0 x= 24
4x+y=14
x=0 y= 56
y=0 x= 14
maaf klo salah
3x-2y=8 |x1| 3x-2y=8
4x+y=14 |x2| 8x+2y=28
____________ +
11x=36
x=36/11
4(36/11) + y=14
y=14 - 144/11
y=10/11
itu zx-y???
klo 2x-y jdinya
=2(36/11)-(10/11)
=72/11 - 10/11
=62/11
2)
4x+y-14=0
(4x-7)(x+2)
x=7/4 atau x=-2