anonymous
  • anonymous
Solve the following equation for y 23x+7y=2
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
You are given the following equation: \[23x + 7y = 2\] First we should try to move everything, but y-related things to one side. So, \(23x+7y = 2\) becomes \(7y = 2 - 23x\). Do you understand so far?
anonymous
  • anonymous
yea i think so
anonymous
  • anonymous
im not the best with math lol

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anonymous
  • anonymous
Okay, well keep note to this, when you move anything over the equal sign, if it is positive it becomes negative, if negative it becomes positive. So that is what I did above. Now that sort that out, we want \(y\) alone, so it is not with the constant \(7\). Do you have any idea on how to do that?
anonymous
  • anonymous
oh okay and no I don't know how to do that
anonymous
  • anonymous
You can divide, \(7y\) by \(7\) to get \(y\) by itself, however you have mirror that to the other side as well. (So you have to divide the other side by 7 as well.) \[\dfrac{7y}{7}=\dfrac{2 - 23x}{7} \implies y = \dfrac{2 - 23x}{7}\]
anonymous
  • anonymous
oh okay now what ?
anonymous
  • anonymous
???
anonymous
  • anonymous
anonymous
  • anonymous
Oh, sorry. That is your \(y\) nothing else to do, unless you want to graph it.
anonymous
  • anonymous
thank you so much
anonymous
  • anonymous
You are welcome.

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