Answer
$y=-2/5*x+29/5$
Work Step by Step
(2, 5) and (12, 1) are given
$m = (5-1)/(2-12)$
$m = 4/-10$
$m = -2/5$
$y = mx+b$
$y = -2/5*x+b$
$1 = -2/5*12+b$
$1 = -24/5+b$
$1 +24/5 = -24/5+b +24/5$
$29/5 = b$
$y=-2/5*x+29/5$
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