x=2(y+4)/5
6(4(y+4)/5+3)-y=41
6(4y+16+15)-5y=205
24y+64+90-5y=205
24y+154-5y=205
y=1
x=2
2x+3x+12=11
7x+ 21y-6x = - 59
x=-1/5
-7/5+21y-6/5 = -59
21y= -59+13/5
y = -282/105
x=2(y+4)/5
6(4(y+4)/5+3)-y=41
6(4y+16+15)-5y=205
24y+64+90-5y=205
24y+154-5y=205
y=1
x=2
2x+3x+12=11
7x+ 21y-6x = - 59
x=-1/5
-7/5+21y-6/5 = -59
21y= -59+13/5
y = -282/105