Question

How do I do this problem?

Answer 1

First Do The Parentheses (3.5 - 3.1) to get .4

Then do the rest 7.4-.4=7

So 7 is your answer

Answer 2

7.4 - (3.5-3.1)

First step is to do what is inside parenthesis

(3.5 -3.1) = 0.4

Now you have 7.4 - 0.4 = 7.0