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| 1. |
Find the value of x and y by elimination method 2x+y=5, 2x+3y=7 |
| Answer» By elimination method 2x+y=5 ----------------equation 12x+3y=7-----------equation 2 Subtract eq 1&2 2x+y=52x+3y=7 - - -(sin change)--------------------------2y=-2 Y=2/2y=1Put the value of y in equation 1 2x+y=5 Y=1 2x+1=52x= 5-1 2x=4X=4/2 x=2So, x=2 and y=1 | |