Question

Twice a number when decreased by 7 gives 45. Find the number.​

Answer 1

Answer:

x = 19

Step-by-step explanation:

Let the unknown number be called as x

or, 2x - 7  = 45

or, 2x = 45 - 7

or, 2x = 38

or, x = 38/2

or, x = 19 (answer)