Question

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

Answer 1

Answer:

let the no. be X

according to question ..

2x -7 = 45

2x= 45 + 7

2x=52

x= 52/2

X= 26

hope it helps...

Answer 2

Answer:

Let the number be x

2x-7= 45

2x= 45+7

2x= 52

x= 52/2= 26

Required number = 26