Question

Translate the sentence into an equation.Twice the difference of a number and 9 is 7.Use the variable x for the unknown number.

Answer 1

2(x-9) = 7

Let the unknown number = x

The difference between the unknown number and 9:

x - 9 = 7

Twice the difference betweenn the unknown number and and is equal to 7:

2(x-9) = 7

Since we were asked to teranslate and not solve, the translation into an equation becomes:

2(x-9) = 7

9: