令2x=3y=6A,则x=3A,y=2A.
将上面结果代入x+2y=14,得3A+2*2A=14,即7A=14.
所以A=2,所以x=6,y=4.
将上面结果代入式2x-y=c,得到c=8.
综上,x=6,y=4,c=8.
Hope to help you.The result isn't important,but the way you think.
令2x=3y=6A,则x=3A,y=2A.
将上面结果代入x+2y=14,得3A+2*2A=14,即7A=14.
所以A=2,所以x=6,y=4.
将上面结果代入式2x-y=c,得到c=8.
综上,x=6,y=4,c=8.
Hope to help you.The result isn't important,but the way you think.