Question

Evaluate - 2 + 7+ (-4).

Answer 1

1

Explanation:

You start by adding -2 and 7.

Because the 2 is negative, it's like subtracting from 7.

This is how you get 5 from -2 +7.

Next, you have to add 5 and -4.

It's like subtracting again, so you get 1.