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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?
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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
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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...\[\frac{ 3x }{ 5 } * \frac{5}{1} = 5 * 5\]
\[3x = 25\]