Question

I guessed a number (x) then added 10 to it. give the expression for double of it

Answer 1

The expression is 2x+20.

1) According to the question, we have the number is x.

2) Then 10 is added to the number so the expression will be:

• x+10

3) We have to double the expression we get:

• 2(x+10)
• 2x+20

4) This is the algebraic expression in one variable which can be stated as the 20 more than the double of the guessed number.

Answer 2

Answer:

1. x+10 2. 2(x+10) 3. 2x+20