How do you solve -2 )= when using subtracting integers

the answer is 7. To subtract integers, rewrite as adding opposites and use the rules for addition of integers. Recall that rules for addition of integers is: Rule 1: The sum of two or more positive integers is a positive integer. The sum of two or more negative integers is a negative integer.

it is -10 because -2x-5=10 and you have a - left over so it is -10

i belive those are the ones that are under 90 degreese.