Not sure if you still need this, but it is actually the last once, the Channel and Sea were barriers that made it impossible to get an invasion force to the Island without the RAF and the Royal Navy interfering
Answer:
x = -1 / 3
Explanation:
-10.5x + 7 = 1.5x - 6x + 9 ( collecting like terms)
-10.5x + 7 = -4.5x + 9 (move the terms)
-10.5x + -4.5x + 9 (collect like terms calculate)
-6x = 2 (divide by both sides)
x = -1/3
:/
We will have to see the answers to the question
