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# Negative and positive number HELP PLEASE!

0
36
5

What is a negative + positive number? Example -5+3=

Guest Sep 10, 2017
edited by Guest  Sep 10, 2017
edited by Guest  Sep 10, 2017
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### 5+0 Answers

#1
+198
+1

Do you mean like -19+8=? or what? Be more specific.

AdamTaurus  Sep 10, 2017
#2
+1

yes

Guest Sep 10, 2017
#3
+198
+2

So, I'll do a few examples.

Ex 1: -5+3=?

Because the Commutative Property of Additon states that a+b=b+a (ex: 3+7=7+3), we can reorganize the statment.

So, -5+3 could also be 3+(-5) or 3-5.

Then, do simple math.

3-5=-2

Ex 2: -3+9=?

Use the Commutative Property of Addition again.

-3+9 is also 9-3.

More simple math.

9-3=6

AdamTaurus  Sep 10, 2017
#4
+1

Thanks that helped alot.

Guest Sep 10, 2017
#5
+90162
+2

Thanks Adam,

Here NinjaDevo gave a wonderful answer for 3-6

https://web2.0calc.com/questions/the-answer-to-the-expression-3-6-located-on-a-horizontal-number-line

I pulled this straight out of our sticky notes under "Great answers to learn from

So with any addition or subtraction you

1) start on the number line at the first number.

2) Go left if you are subtracting (just like NinjaDevo did)

3) Go right if you are adding

Melody  Sep 10, 2017

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