hey i have a problem in substitution method plz help me

 

Asked by sunnyabhishe | 10th May, 2014, 12:12: PM

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 | 10th May, 2014, 02:41: PM