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Mathematics 7 Online
OpenStudy (anonymous):

Find the ratio of x to y. (m+n)x=(p+q)y

hartnn (hartnn):

just divide both sides by y(m+n) what u get ?

OpenStudy (anonymous):

x=p+q ?

hartnn (hartnn):

no.... where did y go ? and m+n ?

OpenStudy (anonymous):

hmm... x/y = (p+q) (m+n)

OpenStudy (kainui):

Almost...

OpenStudy (anonymous):

is that the final answer?

hartnn (hartnn):

x/y = (p+q) /(m+n)

OpenStudy (anonymous):

I see. thankyou so much!

hartnn (hartnn):

ok, welcome ^_^

OpenStudy (kainui):

What you do to one side you must do to the other. Dividing something by itself makes it 1 on one side and appear as divided on the other.

OpenStudy (anonymous):

how about this... ax-bx=cy-dy ?

OpenStudy (hba):

|dw:1356858254553:dw|

hartnn (hartnn):

factor out x from left side , and y from right side, then it becomes similar to your previous problem

OpenStudy (hba):

|dw:1356858386014:dw|

hartnn (hartnn):

ax-bx=cy-dy x(a-b) = y(c-d) and i think you can solve this.

OpenStudy (anonymous):

(a-b)x = (c-d)y am I correct? x/y = (c-d)/ (a-b)

hartnn (hartnn):

absolutely

OpenStudy (hba):

Yeshhh good :D

OpenStudy (anonymous):

Thanks all for your help. I'll be needing this for my upcoming exam. Real thanks.

OpenStudy (hba):

You're welcome. Welcome to OPEN STUDY.

hartnn (hartnn):

\(\huge \color{red}{\text{Welcome to Open Study}}\ddot\smile\)

OpenStudy (anonymous):

Thank you everybody ^_^

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