Step-by-step explanation:
x - 5x = -74 - 14
-4x = -88
x = 22
N= Heidi's marbles
92 - n =18 (Barry's 92 marbles - whatever Heidi has = 18 marbles difference)
92 -n +n = 18 +n (I added n to each side)
92 = 18+n
92 -18 = 18-18 + n (I subtracted 18 from both sides)
74 = n Heidi has 74 marbles
Answer:
1.) Adjacent and form a linear pair
2.) Adjacent and form a linear pair
3.) Adjacent
4.) Not adjacent
Hope this helps!
Is there multiple choice answers?