anonymous
  • anonymous
Let f(x)=-5x+8. For what value of x does function f have the given value? f(x)=-7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
So if f(x)=-7, what is the equation -5x+8 equal to?
anonymous
  • anonymous
-7?
anonymous
  • anonymous
correct. So we have the equation -7=-5x+8. So now what do you think we should do? Maybe put like terms together?

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anonymous
  • anonymous
yes
anonymous
  • anonymous
so would it look something like this 0=-5x+15?
anonymous
  • anonymous
sorry meant -15=-5x, then divide by -5 to get a positive 3
anonymous
  • anonymous
Yes that is absolutely correct. Sorry for the delayed reply.
anonymous
  • anonymous
it's alright, thanks for your help :)

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