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3 years ago

9

Find x if f(x)=-21: f(x)=2x+9

1 answer:

bazaltina [42]3 years ago

6 0

Answer:

The answer is -33

Step-by-step explanation:

f(x) = 2x + 9; f(x) = -21

= 2(-21) + 9

= -42 + 9

f(x) = - 33

Thus, The answer is -33

<u>-</u><u>TheUnknownScientist</u><u> 72</u>

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