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Mathematics 9 Online
MsBrains (ms-brains):

@Chris00 *I'll post an attached link*

MsBrains (ms-brains):

OpenStudy (anonymous):

remember that -(-) = + +(-)=- -(+)=- so here, 5+(-8)=5-8

OpenStudy (anonymous):

so what is 5-8?

MsBrains (ms-brains):

-3?

OpenStudy (anonymous):

yep!

MsBrains (ms-brains):

MsBrains (ms-brains):

I think the answer is -4...

OpenStudy (anonymous):

what would u think the answer is? -7+3 start at -7 on the number line and go three units to the right Yep!! -4 it is

MsBrains (ms-brains):

OpenStudy (anonymous):

another way of saying -300+500 is just 500-300

OpenStudy (anonymous):

if it confuses you

MsBrains (ms-brains):

So it's -200??

OpenStudy (anonymous):

so what do you think? nope, you start at +500 and then subtract 300 off of it. so you start at 500 on the number line, then go left 300 times

MsBrains (ms-brains):

Oh! So its just 200. no negative part

OpenStudy (anonymous):

yep!

MsBrains (ms-brains):

OpenStudy (anonymous):

remember what i said, 5+(-9) = 5-9

OpenStudy (anonymous):

start at +5 on the number line then go back 9 units

OpenStudy (anonymous):

go left*

MsBrains (ms-brains):

So it's 4?? or -4?

OpenStudy (anonymous):

its one of those two, but if you are starting at 5 on the number line and you want to go left 9 units, what would it be?

MsBrains (ms-brains):

It's -4! I think..

OpenStudy (anonymous):

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