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Mathematics, 21.04.2020 20:56 naenaekennedybe

Given ƒ(x) = 3x + 9, find x when ƒ(x) = 21.

A) 3
B) 4
C) 7
D) 10

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Given ƒ(x) = 3x + 9, find x when ƒ(x) = 21.

A) 3
B) 4
C) 7
D) 10...
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