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3 years ago

F(x) = 4x +5 when f(x) = 17

Mathematics

2 answers:

wolverine [178]3 years ago

8 0

Answer:

$\huge\boxed{\sf x = 3 }$

Step-by-step explanation:

<u>Given that</u>

f(x) = 4x + 5

Put f(x) = 17

17 = 4x + 5

Subtract 5 to both sides

17 - 5 = 4x

12 = 4x

Divide 4 to both sides

12 / 4 = x

3 = x

x = 3

$\rule[225]{225}{2}$

Hope this helped!

andre [41]3 years ago

5 0

Answer:

value of x = 3

Step-by-step explanation:

here's the solution :-

=》f (x) = 4x + 5

and we know,

=》f (x) = 17

so, by equating both equations, we get :-

=》4x + 5 = 17

=》4x = 17 - 5

=》x = 12 ÷ 4

=》x = 3

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