Solve X + Y = 11 and 2 x - 4 Y = - 2 and hence find the value of m for which Y = mx- 3

Solve X + Y = 11 and 2 x - 4 Y = - 2 and hence find the value of m for

1.	Solve X + Y = 11 and 2 x - 4 Y = - 2 and hence find the value of m for which Y = mx- 3
Answer» X==7Y==4m==1 By solving these equation, we get, x = 7 and y = 4. Now, by putting the value of x and y in y = mx-3, we get, 4 = m×7-3 => m = 7/7 => m = 1 X = 11 - Y( _1)Putting "X" in othe eq..We get,2×(11-Y) - 4 Y =-222- 2Y -4Y =-2-6Y = - 24 Y= 4 Therefore X = 7Putting in 3rd eq..We get,11= m7 - 3m = 2