Question

Which of the following math statements contain variable(s)? Check

apply.
A. ? + 1 = 5
B. 6-6=0
C. 4 + 6 = 10
D. 11-x=9

Answer 1

A, D

Explanation:

A letter or a symbol that stands for a number is a variable.

In choice A, ? stands for a number.

In choice D, x stands for a number.

Choices B and C only have numbers, so there are no variables there.

Answer: A, D