Answer:

Step-by-step explanation:
i)
Answer:
2x - 1 = -45.
Step-by-step explanation:
2x - 1 = -45 is the required equation.
x is the number.
Question 2 the answer is 4
Answer:
The first three
Step-by-step explanation:
You have to simplify the 1/5 first.
Then simplify the square root of 1 to equal 1
Then rationalize the denominator
Then simplify