Question

f(x)=3x-5 f(7)= i dont know how to do this

Answer 1

Step-by-step explanation:

16 is your correct answer...

Answer 2

$x = 3x - 5 \\ x - 3x = - 5 \\ - 2x = - 5 \\ x = \frac{5}{2}$

$f(7) = \frac{5}{2} \times 7 \\ x = \frac{35}{2}$

Hope it helps...........

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