LazP: Solve the following equations:
1) 3x-y=10
2) 2y+3x=4
[input]solve( 3x-y=10, 2y+3x=4)[/input]
[input]solve( 4x-2y=5, 2x+y=2.5 )[/input]
[input]solve( 9x-3y=15, 3x-y=5 )[/input]
[input]solve( x+y=5, x-y= -5 )[/input]
[input]solve( x+y=10, x+y=8 )[/input]
[input]solve( y=4x+2, y=-x+2 )[/input]
+3146 
