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  • 09-11-2020
  • Mathematics
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Question in picture solve

Question in picture solve class=

Respuesta :

vanessaakaraiwe123
vanessaakaraiwe123 vanessaakaraiwe123
  • 09-11-2020

Answer:

x= 13.5

Step-by-step explanation:

f(x) = 2x + 9

f(x) = 36

Set the 2 equations equal to each other;

2x + 9 = 36

Subtract 9 from both sides;

2x = 27

Divide both sides by 2;

x = 13.5

Check:

f(x) = 2x + 9

f(13.5) = 2(13.5) + 9= 27 + 9 = 36

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