Solve the following systems of equations:
12(x+2y)+53(3x−2y)=−32
54(x+2y)−55(3x−2y)=6160
x=12,y=54
Solve for x and y:
12(3x+y)+53(3x−y)=−3254(x+2y)−35(3x−2y)=6160.