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OpenStudy (anonymous):
Let f(x)=-5x+8. For what value of x does function f have the given value? f(x)=-7
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OpenStudy (anonymous):
So if f(x)=-7, what is the equation -5x+8 equal to?
OpenStudy (anonymous):
-7?
OpenStudy (anonymous):
correct. So we have the equation -7=-5x+8. So now what do you think we should do? Maybe put like terms together?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
so would it look something like this 0=-5x+15?
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OpenStudy (anonymous):
sorry meant -15=-5x, then divide by -5 to get a positive 3
OpenStudy (anonymous):
Yes that is absolutely correct. Sorry for the delayed reply.
OpenStudy (anonymous):
it's alright, thanks for your help :)
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