Question

Four times a number, increased by 9 gives 45.Find the number.

Answer 1

let the number be x
if we write the given statement in the form of equation, we get,
4x+9=45
4x=45-9=36
x=36/4=9

the number is 9

hope it helps you

Answer 2

let the no. be 4x+9
= 4x+9=45
4x=45-9
X=36÷4
X=9