FIND THE SLOPE AND Y INTERCEPT OF THE LINE WHOSE EQUATION I
     FIND THE SLOPE AND Y - INTERCEPT OF THE LINE WHOSE EQUATION IS 3x - 4y = 28.  FIND THE X - AND Y - INTERCEPTS OF THE LINE WHOSE EQUATION IS 10y + 4x = 20. 
  
  Solution
Q21) Slope will be -3/(-4) = 3/4
Y intercept when x is 0
3*0-4y = 28
y = -7
So y intercept (0,-7)
Q22) X intercept when y is 0
10*0+4x=20
x=5
So x intercept (5,0)
Y intercept when x is 0
10y+4*0=20
y = 2
So y intercept (0,2)

