If 6x - 4y = 8 8x = 5y + 13 Then what is the value of 6x - 3y?
6x-4y=8 ........ (1) 8x=5y+13 ==> 8x-5y=13 .... (2) (2)-(1) ===> 2x-y=5..... (3) 3*(3) ==> 6x-3y=15
If
a+b=8, a+c=13, b+d=8, c-d=6
Then
a, b, c, d = ??
If x^4 + 5y = 6 x^2 y^2 + 5x = 6 Then x,y=??