The sum of 3 times a number and five decreased by 11.

Question

Write as an algebraic expression

Answer 1

Hello, Oliver,

Write the equation as you read the words. We say the "number" is x.

The sum of 3 times a number and five

(3x+ 5) is a sum of 3 times x plus 5.

decreased by 11.

-11

Just put the two together to get:

(3x+5)-11

We can simplify this:

3x-6 This is three times a number(x) plus five, decreased by 11.

Bob