急求150数学题或解二元线性方程组...

5x+3y=8,3x+5y=8

6x-7y=5,x+2y=4

10x-8y=14,x+y=5

4x+7y=3,x+y=0

3x+y=10,7x-y=20

44x+10y=27,x+y=1

8x-y=0,x+y=18

11x-y=12,11y-x=-12

5x+6y=27,2x+3y=12

7x-2y=4,x+2y=12

(2x+y)-5y=2,2x-5y=0

7x-3y=3,3x+2y=21

7x+2y=21,y-6x=1

10x-8y=0,3x-2y=2

3x+y=10,5x-7y=8