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Mathematics 7 Online
OpenStudy (anonymous):

wheres khan??????

OpenStudy (saifoo.khan):

here! :D

OpenStudy (anonymous):

help me real quick??

OpenStudy (anonymous):

- 11/12h= -1/6

OpenStudy (saifoo.khan):

11/2

OpenStudy (anonymous):

Do you mean 2/11?

OpenStudy (anonymous):

-15/14y = 1/2

OpenStudy (saifoo.khan):

-7/15

OpenStudy (anonymous):

how did you get so quick with these things? just practice and practice?????

OpenStudy (anonymous):

11=-q

OpenStudy (anonymous):

Try to get rid of the denominator first by multiplying everything by that number. Then divide by the coefficient of the variable.

OpenStudy (anonymous):

so the answer for 11=-q

OpenStudy (anonymous):

That one has no denominator, so you can just divide both sides by the coefficient of q which is -1. So, q = -11

OpenStudy (saifoo.khan):

q = -11

OpenStudy (saifoo.khan):

lol, idk.. by solving! ;)

OpenStudy (anonymous):

2q=7/5

OpenStudy (anonymous):

mulyply both by -2?

OpenStudy (anonymous):

Multiply both sides by 5 to get 10q = 7 Divide both sides by 10 to get q = 7/10

OpenStudy (saifoo.khan):

q = 7/10

OpenStudy (saifoo.khan):

simply use that cross multiply thing.

OpenStudy (anonymous):

show me on that thing

OpenStudy (anonymous):

-7b=0

OpenStudy (saifoo.khan):

b = 0

OpenStudy (anonymous):

Or, for this one, since only the right side has a denominator, you can just skip the first step and divide both sides by 2 to get q = 7/10

OpenStudy (saifoo.khan):

okay!

OpenStudy (anonymous):

thanx

OpenStudy (anonymous):

5y = -25

OpenStudy (saifoo.khan):

OpenStudy (saifoo.khan):

OpenStudy (saifoo.khan):

are u getting them?

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