EHYC2007 EHYC2007

17-12-2021
Mathematics

contestada

11. If f(x) = 2x – 7, then for what value of x is f(x) = -4
3

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z7m9ug9xfq z7m9ug9xfq

17-12-2021

F(x) = 2x-7
F(x) = -4
So we know that F(x) and f(x) are equal to each other… so :
-4= 2x-7
3=2x
Divide by 2
X= 3/2

Answer Link

EricUrizz EricUrizz

17-12-2021

The answer is -15. The working is in the image.

Answer Link

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