Question

find the number which when multiplied by 8 and reduced by 9 is equals to 47

Answer 1

let teh number be X
so
x×8-9=47
8x-9=47
8x=47+9
8x=56
X=56÷8
X=7

hence the number is 7

Answer 2

8x-9=47
8x=56
x=56/8
x=7