Work Step by Step
$y=6x+2$ has $m=6$ $18x-3y = 15$ $18x-3y = 15$ $18x-3y +3y-15 = 15 + 3y - 15$ $18x-15 = 3y$ $(18x-15)/3 = 3y/3$ $6x - 5 = y$ $y= 6x-5$ $18x-3y = 15$ has $m=6$ The slopes are the same, so the lines are parallel.
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