First of all u draw a number line, then u labbel it, then go to zero, n count 6 negative steps, ok in simple terms move backwards thrice
Answer:
L.c.m of 3 and 6 is 6
slope perpendicular= -1
Step-by-step explanation:
3x-3y=-63
-3y=-3x-63 divide both sides by -3
y=1x+21
Perpendicular lines have slopes that are the opposite of the reciprocal of each other
£307.80
Hope this helps!