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Mathematics
2 April, 05:47
F (x) = - 2x + 9, find x if f (x) = 23
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Shyanne Singh
2 April, 05:48
0
x = - 7
Step-by-step explanation:
f (x) = - 2x + 9
f (x) = 23
therefore, f (x) =
-2x + 9 = 23
-2x = 23 - 9
-2x = 14
-x = 14 : 2
-x = 7
x = - 7
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