Question

Write an algebraic equation for each question below and then solve the equation.

3. When five is added to a double a number the result is 35, what is the number?

Answer 1

let the number be x

The above statement can be represented as :

• 2x + 5 = 35

• 2x = 30

• x = 15

Answer 2

The number is 15

Explanation:

algebraic equation: 5+2x=35

step by step solving:

1. 5-5=0 35-5=30
2. 2x=30
3. 2x/2 = 30/2
4. x=15