Question

The sum of three times a number and 15 is 42 =

Answer 1

Answer:

so? complete ur ques..!

Answer 2

Answer:

$\huge{\boxed{\rm{\red{number=9}}}}$

Step-by-step explanation:

Given:-

The sum of three times anumber and 15 is 42

To find:-

Find the number?

Solution:-

Let the number be X

three times the number=3X

The sum of three times a number and 15

=3X+15

According to the given problem.

The sum of three times a number and 15 is 42 .

=>3X+15=42

=>3X=42-15

=>3X=27

=>X=27/3

=>X=9

The number=9

Answer:-

The required number =9

Check:-

3(9)+15

=>27+15

=>42

Algebraic expression:-

3X+15=42