Question

8. The sum of a number and 11 less than twice the number is 13. Translate into a variable expression and find the number.

Answer 1

The algebraic expression is:

x + (2x - 11) = 13

And the solution is x = 8.

How to translate it into an expression?

Let's say that the number is defined by the variable x, then we can write the algebraic expression:

x + (2x - 11) = 13

Now we can solve this expression for x:

x + 2x - 11 = 13

3x = 13 + 11 = 24

x = 24/3 = 8

x = 8

The solution is x equal to 8.

If you want to learn more about algebraic expressions:

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