Question

two-thirds of a number x decreased by 5 is 9

Answer 1

2/3x-5=9
2/3x=14
x=7×3=21...

Answer 2

{(2*x)/3}-5=9
{(2*x)/3}=9+5=14
2*x=14*3=42
x=42/2
x=21(Ans)