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Mathematics 6 Online
OpenStudy (anonymous):

Help solve: 3/5x=5

OpenStudy (anonymous):

\[\frac{ 3 }{ 5x } = 5\] like that?

OpenStudy (anonymous):

Yeah

OpenStudy (anonymous):

Oh! except the x goes next to the 3

OpenStudy (anonymous):

\[\frac{ 3x }{ 5 } = 5\]

OpenStudy (anonymous):

Yes! :) What's the first step?

OpenStudy (anonymous):

multiply both sides by 5 :D

OpenStudy (anonymous):

So would it be...15/5?

OpenStudy (anonymous):

hmmmm. why would it be that?

OpenStudy (anonymous):

5/1*3/5?

OpenStudy (anonymous):

it's equal to not multiplication

OpenStudy (anonymous):

Please explain then...

OpenStudy (anonymous):

the reason we can multiply 5 by both sides if because if we do one thing to one side and do it to the other side it will be the same number \[\frac{ 3x }{ 5 } = 5\] ^ we can divide that 5 or ^ multiply that five but whatever we do to one side have to do to the other, we could also divide 3x to make it \[5 = \frac{ 5 }{ 3x }\]

OpenStudy (anonymous):

Do you mean 3/5=5/3??? I'm so confused.

OpenStudy (anonymous):

ok let's just forget what we CAN do cuz that's infinite let's do...\[\frac{ 3x }{ 5 } * \frac{5}{1} = 5 * 5\] \[3x = 25\]

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