Answer and working out attached below. Hope it helps
Answer:
10
Step-by-step explanation:
5 - 5 = 0 You would want to subtract five from zero giving you -5.
Step-by-step explanation:
X + 9= 7
get x by itself you -9 on both sides
X + 9 = 7
- 9. -9
X = -2
Answer:
║

[Corresponding Sides of similar triangles are proportional.]

Answer:
B
Step-by-step explanation: