1. the sum of two integers cannot be 0, true or false?
2. the sum of two negative integers is always a negative integer, true or false?
3. what number must you add to -6 to get a sum of zero

Integers are the numbers in the set . This means that you can add two opposite integers to get .

For example, .

When you add a negative number to another negative number, the only thing that can happen is that the result goes down.

For example, .

Let's write this as an equation, where represents the unknown value.

We need to isolate the variable by adding on both sides of the equation.

wedfghjkl;

tyuiop[]ghjkl;

step-by-step explanatio89