How would I do 9+(-3) (negative 6) (please give steps)
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OpenStudy (anonymous):
there is a law called PEMDAS.
OpenStudy (anonymous):
9-3
6
OpenStudy (anonymous):
i mean negative 6
OpenStudy (anonymous):
when u multiply + to - its a -
OpenStudy (amistre64):
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OpenStudy (anonymous):
do everything in the parenthisis. which just holds a -3. then . then you just have 9-3.
OpenStudy (anonymous):
the -3 means negative three
OpenStudy (anonymous):
Hey @tic-tock - so what part are you having trouble with? Basically you have an equation where you are 'adding' a negative number to a positive number, right? Hence the:
\[9+(-3)\]
OpenStudy (anonymous):
exactly
OpenStudy (anonymous):
So... given that, as others have shown, that is the same as simply subtracting. So,
\[9+(-3) = 9-3\]
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OpenStudy (anonymous):
negative 3 @cshalveny
OpenStudy (anonymous):
Sorry, negative 3 for what exactly?
OpenStudy (anonymous):
its negative 3
OpenStudy (anonymous):
9+negative 3
OpenStudy (anonymous):
Well, do I have your original equation, I *had* 9+ (-3) - right?
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
and what I showed you was that 9 + a negative 3 is the same as 9 minus 3
OpenStudy (anonymous):
oh
OpenStudy (anonymous):
so it is basically keep-change-change
OpenStudy (anonymous):
It only gets complicated when you subtract a negative, in those cases the sign changes. So, 9 - (-3) = 9+3
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OpenStudy (anonymous):
so the answer would be 12
OpenStudy (anonymous):
No, in your problem remember that it equals 9-3, right?