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OpenStudy (anonymous):
Suppose f(x)=-2x+5. If f(x)=9, then x=
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OpenStudy (anonymous):
9=-2x+5
OpenStudy (anonymous):
4=-2x
OpenStudy (anonymous):
This is basically saying y = -2x + 5 So when y = 9, you have that 9 = -2x + 5 where x = -2
OpenStudy (anonymous):
x=-2
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