Mathematics
11 Online
OpenStudy (anonymous):
what is the solution of this equation?
-8y+4= -20. check my answer
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OpenStudy (anonymous):
do i subtract 4 from -20 and 4 or 4 and -8?
Nnesha (nnesha):
yes subtract 4 both side then divide by -8
OpenStudy (anonymous):
ohh okay hold on
OpenStudy (anonymous):
-3?
OpenStudy (anonymous):
Yep :)
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Nnesha (nnesha):
nope a little mistake
OpenStudy (anonymous):
yeah it said wrong lol
OpenStudy (anonymous):
Ooh wait. I see CX
Nnesha (nnesha):
you subtract -20-4 what you get
OpenStudy (anonymous):
-24
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Nnesha (nnesha):
you should get -24 so when you divide negative number by negative what your answer should be
OpenStudy (anonymous):
positive lol
OpenStudy (anonymous):
Negative divided by negative=postitve :)
Nnesha (nnesha):
yes so -24/-8 is positive 3
OpenStudy (anonymous):
Yep^^^
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OpenStudy (anonymous):
2z=16 uhm what times 2 is 16??
OpenStudy (anonymous):
i divided and got 0.125
Nnesha (nnesha):
you have do divide 2 bot hside
OpenStudy (anonymous):
2 and 8 lol so then 4??
OpenStudy (anonymous):
well 16 divided by 2 is 8 and 2 divided by 8? is 4
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Nnesha (nnesha):
no you have to divide only 2 both side |dw:1417287865872:dw|then you done
OpenStudy (anonymous):
yeah 16/2 = 8
OpenStudy (anonymous):
so its 8?
Nnesha (nnesha):
yes right and left side 2/2 cancel out so z = 8 right
OpenStudy (anonymous):
lol Nnesha those medals
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Nnesha (nnesha):
i just saw lol
OpenStudy (anonymous):
what about 1/2 y=1? im not sure if this one is stupid or not and haha yeah same