Question

EXERCISE 7B
1. Twice a number when decreased by 7 gives 45. Find the nun
2. Thrice a number when increased by 5 gives 44. Find the nu
26
3. Four added to twice a number yields
Find the fraction.
5
4. A number when added to its half gives 72. Find the number
5. A number added to its two-thirds is equal to 55. Find the n
6. A number when multiplied by 4, exceeds itself by 45. Find
7. A number is as much greater than 21 as it is less than 71.
Hint. (x - 21) = (71 - x).​

Answer 1

Answer:

this exercise mostly doesn't come frequently in exam