hzi6dyt7dw hzi6dyt7dw

22-07-2021
Mathematics

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for f (x)= -x + 8, what is the value of x for which f(x) = 9?

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wegnerkolmp2741o wegnerkolmp2741o

22-07-2021

Answer:

x=-1

Step-by-step explanation:

f (x)= -x + 8

Let f(x) = 9

9 = -x+8

Subtract 8 from each side

9-8 = -x+8-8

1 = -x

Multiply each side by -1

-1 = x

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