<PRE><B>Question 782519</B>
  5X + 3Y = 2
-(2(2.5X) + 2(2Y) = 2(3)

  5X + 3Y = 2
-(5X + 4Y = 6)
       -Y = -4
        Y = 4

5X + 3(4) = 2
5X + 12 = 2
5X = 2 -12
5X = -10
X = -2

check: 
5(-2) + 3(4) = 2
-10 +12 = 2
2 = 2

2.5(-2) + 2(4) = 3
-5 + 8 = 3
3 = 3</PRE>