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In the answers to a chem problem is just gives this equation: (34.969) (x) + (36.966) (1 - x) = 35.453, and says solve for x. But I have no clue how to solve for x....

windy401
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1 Answers1

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$$ax+b(1-x)=c,$$ so $$(a-b)x+b=c,$$ so $$(a-b)x=c-b,$$ so $$x=\frac{c-b}{a-b}.$$ provided $a\neq b$.

Mikasa
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