lf 12x+13y=92 and 13x+12y=21 find (x+y).
Answers
Answered by
1
Lets substract the two equations
12x +13y-13x -12y= 92-21
x +y = 71
12x +13y-13x -12y= 92-21
x +y = 71
Similar questions
Science,
8 months ago
Social Sciences,
8 months ago
Hindi,
1 year ago
Social Sciences,
1 year ago
English,
1 year ago
Biology,
1 year ago