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((y-4)/(4-0)) = ((x+5)/(3+5))
((y-4)/4) = ((x+5)/8)
kamu kalikan silang
8×(y-4) = 4×(x+5)
8y-32 = 4x+20
8y-4x-52 = 0
jika disederhanakan, masing masing dibagi 4,
2y-x-13 = 0
semoga membantu :)