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For which value(s) of x are (3 + x)/(5 + x) and (1 + x)/(2 + x) equal?

 Jun 30, 2022
 #1
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(x + 3)/ ( x + 5)   =  ( x + 1) / ( x + 2)       cross-multiply

 

(x + 3) (x + 2) =  (x + 5) ( x + 1)

 

x^2  + 5x + 6 =    x^2 + 6x + 5    simplify as

 

1 =  x

 

cool cool cool

 Jun 30, 2022

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