1.

A number is subtracted from thenumerotay of the fraction told 1213- and six times the number is addedto the denominatos of the newfraction is 1, then find the number​

Answer»

ANSWER : 7

EXPLANATION :

LET the NUMBER be x.

\frac{12 - x}{13 + 6x}  =  \frac{1}{11}  \\ 11(12 - x) = 1(13 + 6x)  \\ 132 - 11x = 13 + 6x \\ 132 - 13 = 6x + 11x \\ x =  \frac{119}{17}  \\ x = 1

Hence, the number is 7.

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