Penyelesaian :
y = 4x - 11
3y = -2x - 5
3(4x - 11) = -2x - 5
12x - 33 = -2x - 5
12x + 2x = 33 - 5
14x = 28
x = 28/14
x = 2
y = 4(2) - 11
y = 8 - 11
y = -3
Jadi, titik potongnya (2,-3)
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Penyelesaian :
y = 4x - 11
3y = -2x - 5
3(4x - 11) = -2x - 5
12x - 33 = -2x - 5
12x + 2x = 33 - 5
14x = 28
x = 28/14
x = 2
y = 4x - 11
y = 4(2) - 11
y = 8 - 11
y = -3
Jadi, titik potongnya (2,-3)