Use properties of addition and subtraction to evaluate the expression. −42−29−28 enter your answer in the box.

Step-by-step explanation:

The properties of addition are

Now, in the given expression

We have three negative numbers, so if we extract the common sign, we would have

This extraction is possible because of the distributive property, we are applying it backwards to group all number.

Now, we sum all numbers grouped

Then, we multiply the negative sign with the number inside the parenthesis

Therefore, the evaluation of the expression gives

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

answer: no, but if it does it's a obvious pattern.

step-by-step explanation: