Answer:
A. -13
Step-by-step explanation:
y - (-5) is the same as y + 5
x - 8 = y + 5; you then subtract 5 from both sides
x - 13 = y
2(3x + 5) = 6x + 10
⇔ 6x + 10 = 6x + 10
=> infinite solution
Answer: B
Step-by-step explanation: because