{(7x+y)/3-(5x-y)/2=(x+y)/6|*6
{(9x-2y)/8+(7x+4y)/6=(x+y)/3+4/*24
{14x+2y-15x+3y=x+y
{27x-6y+28x+16y=8x+8y+96
{14x+2y-15x+3y-x-y=0
{27x-6y+28x+16y-8x-8y=96
{-2x+4y=0
{47x+2y=96
2y=96-47x|:2
y=48-23,5x
-2x+4(48-23,5x)=0
-2x+96-47x=0
-49x=-96|:49
x=-96/49
-96/49*47+2y=96
2y=96+4512/49
2y=96+92 4/49
2y=188 4/49|:2
y=35348/49*1/2=17674/49