Mathematics
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OpenStudy (anonymous):
i need math help really bad!
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OpenStudy (anonymous):
@jdoe0001 can you help?
OpenStudy (epoweritheta):
epoweritheta here
OpenStudy (anonymous):
ok awesome!
OpenStudy (anonymous):
solve for w
-2/3 =1/2w -7/5 simplify as much as possible
OpenStudy (omarbirjas):
Parenthesis help...alot...
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OpenStudy (epoweritheta):
take that -7/5 to lhs and tell me what u get
OpenStudy (anonymous):
what is lhs?
OpenStudy (epoweritheta):
sorry LEFT HAND SIDE
OpenStudy (anonymous):
-7/5 - 2/3 - 1/2w?
OpenStudy (epoweritheta):
where is the = ???
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OpenStudy (anonymous):
i meant -7/5 - 2/3 = 1/2w
OpenStudy (epoweritheta):
wow ..super add the two terms in LHS
OpenStudy (anonymous):
how do i add them?
OpenStudy (anonymous):
@epoweritheta
OpenStudy (anonymous):
@omarbirjas can you help me?
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OpenStudy (omarbirjas):
Sure, but use the equation thing, i dont understand your syntax....
OpenStudy (anonymous):
\[-\frac{ 7 }{ 5 } - \frac{ 2 }{ 3 } = \frac{ 1 }{ 2 } w\]
OpenStudy (anonymous):
im trying to solve for w it says simplify as much as possible
OpenStudy (anonymous):
empoweritheta said put -7/5 in front of everything
OpenStudy (omarbirjas):
Ok first things first, find the common denominatior for the 2 fracs on the left side, what do you get.
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OpenStudy (omarbirjas):
Do you know how to do that?
OpenStudy (anonymous):
would it be 15?
OpenStudy (anonymous):
@omarbirjas
OpenStudy (epoweritheta):
i leave to omarbirjas
OpenStudy (omarbirjas):
Yes thats right. so we get this \[-\frac{ 21 }{ 15 }-\frac{ 10 }{ 15 }\] Now subtract it. what do you get.
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OpenStudy (anonymous):
or you can help lol i dont mind
OpenStudy (anonymous):
\[\frac{ 11 }{ 15 } = w?\]
OpenStudy (anonymous):
actually \[-\frac{ 31 }{ 15 }\]
OpenStudy (omarbirjas):
No, you forgot about the 1/2
OpenStudy (omarbirjas):
its actually. \[-\frac{ 62 }{ 15 }\] You were close tho.
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OpenStudy (anonymous):
so w = - 62/15?
OpenStudy (anonymous):
@omarbirjas
OpenStudy (omarbirjas):
Yes.
OpenStudy (anonymous):
can you help with more @omarbirjas
OpenStudy (omarbirjas):
Sure, ill try.
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OpenStudy (anonymous):
ok solve for u
-7(-4u+8)-8u = 5(u-9)-1
simplify as much as possible
OpenStudy (anonymous):
@omarbirjas
OpenStudy (omarbirjas):
Ok first lets distribute -7 into the parenthises....
OpenStudy (anonymous):
28u-56-8u = 5u-45-1?
OpenStudy (omarbirjas):
Good, now add all the like terms.
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OpenStudy (anonymous):
25u -102?