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Solve x+y=5 and 2x-3y=4 by elimination method |
| Answer» X + y = 5 ( equation 1 )2x - 3y = 4 ( equation 2 )Now,multiplying (eq.1) by 2 and subtracting (eq.2) from ( eq.1 )(2x + 2y = 10) - (2x - 3y = 4 )=> 2x + 2y - 2x + 3y = 6=> 5y = 6=> y = 6/5Putting the value of y in ( eq.1 )=> x+ y = 5=> x + 6/5 = 5=> x = 5 - 6/5=> x = 19/5 | |