########## thats 2 equashuns, but yu make it VERY hard tu see that #########
yu ever heer av put separater tween 2 thangs ???????????
even sumthun simpel like a fyu blanks ?????
line 1: x+2y=5
line 2: 3x -y=15 or y=3x-15
line1...x+2*(3x-15)=5
x+6x -30=5
7x=35
x=35/7=5
y=3x-15=15-15=0