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m = -2/-5
= 2/5
rumus
(y-y₁) = m ( u-u₁)
( y - 5) = 2/5 ( u - 4)
y - 5 = 2/5 x - 8/5 (sederhanakan X 5)
y - 25 = 2x - 8
y = 2x - 8 + 25
y = 2x + 17
jawabnnya y = 2x + 17