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A somewhat different looking question. (1 Viewer)

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fortune_cookie

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Found this on a maths website. Just posting it for people interested.

If 2f(x)+3f(-x) = 15 - 4x , find f(x).
 
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SpiralFlex

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Spoiler.














Replace x with -x, use simultaneous. Good question haha.
 
barbernator

barbernator

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i let f(x)=a+bx and solved. i dont get spirals way?

EDIT: yes i do lol
 
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