Question

if 9 is subtracted from 3 times a number, the result is 81. Find the number.​

Answer 1

Answer:

3x-9=81

3x=81+9

3x=90

x=90/3

X=30

Answer 2

Step-by-step explanation:

let the no. be x.

3x-9=81

3x=81+9

3x=90

x=90/3

x=30 ans.