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OpenStudy (anonymous):
Given the function f(x) = −2x + 4, find x if f(x) = 20. −8 −36 44 −12
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OpenStudy (anonymous):
do the same as the previous problem... what have you tried?
OpenStudy (anonymous):
where did you get stuck?
OpenStudy (anonymous):
-2x+4=20 -2x=16 divide by -2 so x=-8
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