trinityrbell02102006 trinityrbell02102006

08-12-2020
Mathematics

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Given f(x)=2x+9, if f(x)=15, find x.

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Аноним Аноним

08-12-2020

Answer:

x = -3

Step-by-step explanation:

If f(x) = 15

f(x) = 2x + 9

15 = 2x + 9

2x = 9 - 15

2x = -6

x = -3

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