Translating this word problem into an algebraic equation, we get:
3x - 2/5 = 8/5.
Let's combine the constants: adding 2/5 to both sides of this equation yields
3x = 10/5, or 3x = 2.
Solving for x: x = 2/3
Answer:
C
Step-by-step explanation:
x = 28
(3x + 6^o) = 90^o
3x = 84^o
Answer: 142°
∡BAC= 38°
∡BAN= 180°-38° = 142°
