Use the image to answer the question.

Question

A number line with arrows at both ends ranges from negative 12 to 12. The numbers negative 12, 0, and 12 are labeled.

Solve the following equation: 22+−20. Use the number line as a model to find the solution.

(1 point)
Responses

−42
negative 42

−2
negative 2

42
42

2

Answer 1

To solve the equation 22 + (-20), we start at the number 22 on the number line. We then move 20 units to the left, since we have a negative 20.

By counting 20 units to the left, we reach the number 2 on the number line.

Therefore, the solution to the equation 22 + (-20) is 2.