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4x+y=8 |x2| 8x+2y=16
3x-2y=17 |x1| 3x-2y=17
----------------(+)
11x = 33
x = 33/11 = 3
4x+y=8
4(3)+y=8
12+y=8
y=8-12
y= -4
4x + y = 8 dikalikan 2 = 8x + 2y = 16
3x - 2y = 17 dukalikan 1 = 3x - 2y = 17 +
11x= 33
x = 33
11
x = 3
disubtitusikan
4x + y = 8
4(3) + y = 8
12 + y = 8
y = 8 - 12
y = -4