Question 418186
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b>
Hi
-7x+y=63 OR y = 7x+63
7x+3y= -35
7x + 3(7x+63) = -35
     28x = -224
       x = -8 and y = 7  (-56+63)

CHECKING our Answer***
using elimination method
 7x+3y= -35
-7x+ y=63
    4y = 28
     y = 7 and x = -56/7 = -8 (using 1st EQ)