Question

Nine less than seven times a number is forty-five. What is the number?

Answer 1

9 - 7x = 45

1. 9-7x=45
2.+9 +9
3. -7x=54
————
4. -7 -7
5. x = -7.714 —>

The number is -7.714—>.

Answer 2

Answer: The number is 7.714

Explanation:

7x - 9=45

add 9 to both sides

7x=54

Divide by 7

x=7.714