Saved Bookmarks
| 1. |
3x + 4y = 10 and 2x - 2y = 2 solve by substitution method mathematics |
|
Answer» 2x-2y=2 (given)2 (x-y)=2x-y=1x=1+yagain,3x+4y=10subatituting the vale of x= 1+y in this equation we have,3 (1+y)+4y=10or 3+3y+4y=10or 7y=10-3or y=1also,x = y+1 =1+1 =2hence x =2 and y =1 |
|