Mathematics
20 Online
OpenStudy (spicytaco1):
I really need help due today will fan!!
Solve, showing all steps. Hint - Your first step should be to combine like terms.
7y – 11 – 10y + 3 = 7
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OpenStudy (anonymous):
Are you trying to find y?
OpenStudy (spicytaco1):
I think so
OpenStudy (anonymous):
First, which ones look similar?
OpenStudy (spicytaco1):
7y and 10y
OpenStudy (anonymous):
ok so therefore you have 7y and -10y, add it. 7y+-10y
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OpenStudy (spicytaco1):
17y?
OpenStudy (anonymous):
no, whats 7-10
OpenStudy (spicytaco1):
oh i thought it was a negitive
OpenStudy (spicytaco1):
3
OpenStudy (anonymous):
-3y
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OpenStudy (anonymous):
the 10 is bigger and has the negative so its negative
OpenStudy (spicytaco1):
yeah you keep the sign
OpenStudy (anonymous):
so what are you next like terms?
OpenStudy (spicytaco1):
11 and 3??
OpenStudy (anonymous):
-11 and 3, add them
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OpenStudy (spicytaco1):
-14
OpenStudy (anonymous):
no, -11+3=
OpenStudy (spicytaco1):
14
OpenStudy (anonymous):
no, -8
OpenStudy (anonymous):
can you see how i got that?
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OpenStudy (spicytaco1):
yes 11-3 right
OpenStudy (anonymous):
no, -11+3, dont forget the negative sign
OpenStudy (spicytaco1):
yes i know what your talking about i got confused
OpenStudy (anonymous):
its ok
OpenStudy (anonymous):
so now you have -3y-8=7 right?
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OpenStudy (spicytaco1):
yes
OpenStudy (anonymous):
ok so now we have to isolate the y, any ideas?
OpenStudy (spicytaco1):
simplify right
OpenStudy (anonymous):
you add 8 to both sides, what do you get now?
OpenStudy (spicytaco1):
11 and 16
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OpenStudy (anonymous):
no hold on, ill show
OpenStudy (anonymous):
|dw:1421799653647:dw|
OpenStudy (anonymous):
do you get it?
OpenStudy (spicytaco1):
yes i got it
OpenStudy (spicytaco1):
thank you
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OpenStudy (anonymous):
you welcome