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OpenStudy (anonymous):
Given the function f(x) = −2x + 4, find x if f(x) = 20. −8 −36 44 −12 show steps for solving
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OpenStudy (anonymous):
-2x+4=20 -2x=-24 x=12
OpenStudy (anonymous):
isnt it -12
OpenStudy (caozeyuan):
f(x) =20 so -2x+4=20 so -2x=16 so x=-8, not 12!!!! @chandanjha
OpenStudy (anonymous):
so its -8 im so confused
OpenStudy (caozeyuan):
20-4=16!
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OpenStudy (caozeyuan):
16/-2=-8!
OpenStudy (caozeyuan):
sorry, there is no factorial
OpenStudy (anonymous):
so its a
OpenStudy (anonymous):
yeah i was wrong thnks
OpenStudy (caozeyuan):
yeah, A
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OpenStudy (anonymous):
yeah a
OpenStudy (anonymous):
thanks for the verification
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