3/x -1/y = 9

2/x + 3/y = 5

Solve using elimination method 

Asked by Philomenasrinivas | 5th Jun, 2019, 01:37: PM

Expert Answer:

3 over straight x minus 1 over straight y equals 9... open parentheses 1 close parentheses
fraction numerator begin display style 2 end style over denominator begin display style straight x end style end fraction plus fraction numerator begin display style 3 end style over denominator begin display style straight y end style end fraction equals 5... open parentheses 2 close parentheses
open parentheses 1 close parentheses cross times 3 plus open parentheses 2 close parentheses
fraction numerator begin display style 9 end style over denominator begin display style straight x end style end fraction plus fraction numerator begin display style 2 end style over denominator begin display style straight x end style end fraction equals 9 cross times 3 plus 5
11 over straight x equals 32
straight x equals 11 over 32
straight y equals fraction numerator negative 11 over denominator 3 end fraction

Answered by Arun | 5th Jun, 2019, 03:36: PM