What is the difference?
Express your answer in lowest terms.
-7/15 - (-11/15)=
?/?
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OpenStudy (xapproachesinfinity):
hey
OpenStudy (blackops2_143):
hi
OpenStudy (xapproachesinfinity):
did you give it a try?
OpenStudy (wendy.ivette11714):
^
OpenStudy (xapproachesinfinity):
tell me where you stuck
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OpenStudy (blackops2_143):
yes I have on every question but I get it wrong
OpenStudy (xapproachesinfinity):
ok no problem
OpenStudy (anonymous):
-7/15 - (-11/15)=
-7/15 + 11/15
OpenStudy (wendy.ivette11714):
Can you show us where your stuck at?
OpenStudy (anonymous):
a double negative = 2 a positive
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OpenStudy (anonymous):
so what do you have to do next?
OpenStudy (xapproachesinfinity):
eh please let the poster try understanding don't jump to answers
OpenStudy (anonymous):
ok sorry...
OpenStudy (xapproachesinfinity):
so dear poster what do you know about negative times negative
OpenStudy (xapproachesinfinity):
the problem is you are not helping if you just give away the answers :)
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OpenStudy (blackops2_143):
not much, I moved to a new school and at my old one we weren't learning about it, kids here have been learning about this for a month and I just got here this week
OpenStudy (anonymous):
oh my
OpenStudy (wendy.ivette11714):
What have u done @blackops2_143 Can you show me the steps you took to solve this problem..
OpenStudy (xapproachesinfinity):
eh ok no problem
OpenStudy (wendy.ivette11714):
We can help you were you left off..
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OpenStudy (anonymous):
well just tell us what is confusing u
OpenStudy (blackops2_143):
okay
OpenStudy (anonymous):
@blackops2_143 do u know how to work with fractions or negatives?
OpenStudy (blackops2_143):
fractions
OpenStudy (blackops2_143):
negatives are more confusing for me
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OpenStudy (kendricklamar2014):
@Yuna123 Just let the user post the steps she took to solve this problem. Then we can all help her with this problem. Or else we wont get no where with this...
OpenStudy (anonymous):
ok @KendrickLamar2014
OpenStudy (anonymous):
sorry its just that i am in a hurry too so i will leave
OpenStudy (blackops2_143):
so I subtracted the fractions numerators but left the denominators and so now I don't know what to do
OpenStudy (wendy.ivette11714):
This is how I would solve this: \[\frac{ -7 }{ 15 } + \frac{ 11 }{ 15 }\]
\[\frac{ -7 + 11 }{ 15 }\]
\[-7 + 11 = ?\]
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OpenStudy (kendricklamar2014):
^
OpenStudy (xapproachesinfinity):
its clear that when you multiply positive with positive you get positive
2x2=4
the issue is when multiplying two negatives
-2x-2=4
why positive is the question
consider |dw:1453769426998:dw|
OpenStudy (xapproachesinfinity):
that's one way of looking at product
OpenStudy (wendy.ivette11714):
What is: \[-7 + 11\]
@blackops2_143
OpenStudy (blackops2_143):
so 4 ?
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OpenStudy (xapproachesinfinity):
now if considered negative numbers
OpenStudy (wendy.ivette11714):
Yes, so the answer would be: \[\frac{ 4 }{ 15 }\]
OpenStudy (wendy.ivette11714):
Did you understand? @blackops2_143
OpenStudy (blackops2_143):
yes thank you both
OpenStudy (xapproachesinfinity):
i go 2 stpes left and 2 down i still got the same box that is of area 4
so -2x-2=4
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OpenStudy (wendy.ivette11714):
Welcome =)
OpenStudy (xapproachesinfinity):
this explains why negative multiplied by negative is positive
OpenStudy (xapproachesinfinity):
so whenever you see -(-a) it is the same as -1x-a
and that is equal to a
a any positive number
OpenStudy (xapproachesinfinity):
i hope you got the picture
OpenStudy (xapproachesinfinity):
i m explain this since you said you have problem with negatives