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