Question

3 times the sum of a number and 5 gives 45​

Answer 1

Answer:

let the unknown number be x

as per the question, 3 times sum of a number and five gives 45

so 3(x+5) = 45

    3x+15 = 45

        3x   = 45-15

           x   = 30/3

          x   = 10

the number is 10

Answer 2

Let the unknown number be x .

then,

$3x \: + 15 = 45$

$=> 3x = 45 - 15$

$=> 3x \: = 30$

$=> x \: = \: 10$

The answer is 10 .

So x is 10 .

I hope this helps you .

Thankyou and welcome .