Question

Find a no. Which when multiplied by 8 and then reduced by 9 is equal to 47

Answer 1

let the no. be x
$8x - 9 = 47 \\ 8x = 47 + 9 \\ 8x = 56 \\ x = 56 \div 8 \\ x = 7$

Answer 2

Answer:

Let the number be x

8x-9=47

8x=47+9

8x=56/8

x=7