arthur84 arthur84
  • 09-06-2022
  • Mathematics
contestada

find x if f(x)=2x+7 and f(x)=-1

Respuesta :

loneguy
loneguy loneguy
  • 09-06-2022

Answer:

[tex]x = -4[/tex]

Step-by-step explanation:

[tex]~~~~~~f(x) = -1\\\\\implies 2x +7 = -1\\\\\implies 2x = -1 - 7\\\\\implies 2x = -8 \\\\\implies x = -\dfrac 82 \\\\\implies x = -4[/tex]

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