Question

The sum of a number and 4 times the number

Write two equivalent expressions for each statement.

Answer 1

• 4x + x
• 5x

Explanation:

Forming the expression,

→ 4x + x

Let's solve the expression,

→ 4x + x

→ 5x

Hence, the answer is 5x.

Answer 2

Let the number be n.

Then the expression is:

• The sum of a number and 4 times the number
• sum = n + 4n
• sum = 5n