Math, asked by c5oolrohiya8n, 1 year ago

If f(x) = x-9, then find the value of f(x) - f(-x)

Answers

Answered by anuradha3

18

(x-9)-(-(x-9))=(x-9)-(-x+9)
x-9+x-9
2x-18=0
2x=18
x=9

Answered by boseshalini10

5

Answer:

9

Step-by-step explanation:

(x-9)-(-(x-9))=(x-9)-(-x+9)

x-9+x-9

2x-18=0

2x=18

x=9

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