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CBSE Class 10 Answered

hey i have a problem in substitution method plz help me

 

Asked by sunnyabhishe | 10 May, 2014, 12:12: PM
answered-by-expert Expert Answer
c o n s i d e r comma x plus y equals 1 space... space left parenthesis i right parenthesis 2 x plus 3 y equals 8 space... space left parenthesis i i right parenthesis T a k i n g space t h e space e q. space left parenthesis i right parenthesis comma space w e space g e t y equals 1 minus x S u b s t i t u t i n g space t h e space v a l u e space o f space y space i n space e q. space left parenthesis i i right parenthesis comma space w e space g e t 2 x plus 3 left parenthesis 1 minus x right parenthesis equals 8 rightwards double arrow x equals minus 5 space space a n d space y equals 6
Answered by Avinash Soni | 10 May, 2014, 02:41: PM

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