x+99999998+y=10000003y-x+5=6x=y=回家户户看见客户多少?
解答:x+99999998+y=10000003
∴x+y=-89999995-------(1)
y-x+5=6
y-x=1----------------(2)
(1)+(2)得
y=-44999997
x=-44999998。
y=-49999997
x=-49999998
y-x+5=6,所以:y=x+1,代入 x+99999998+y=10000003中得:
x+99999998+x+1=10000003,化简得 2x=110000000,解得:x=55000000
回答完毕保证正确
x+y=-89999995
y=1+x
x+1+x=-89999995
2x=-89999996
x=-44999998
y=-44999997
x+99999998+y=10000003
∴x+y=-89999995-------(1)
y-x+5=6
y-x=1----------------(2)
(1)+(2)得
y=-44999997
x=-44999998
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