(y+5)(x-2+y)+6=30求X+Y的值

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(y+5)(x-2+y)+6=30求X+Y的值
(y+5)(x-2+y)+6=30求X+Y的值

(y+5)(x-2+y)+6=30求X+Y的值
(y+5)(x-2+y)+6=30
(y+5)(x+y)-2(y+5)=24
(y+5)(x+y)=24+2(y+5)
x+y=24/(y+5)+2

(y+5)(x-2+y)+6=30
(y+5)(x-2+y)=24 x+y=2+24/(y+5)
x,y在整数范围内时
当y+5=1 则x-2+y=24 x+y=26 当y+5=24 则 x-2+y=1 x+y=3
y+5=2 x-2+y=12 ...

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(y+5)(x-2+y)+6=30
(y+5)(x-2+y)=24 x+y=2+24/(y+5)
x,y在整数范围内时
当y+5=1 则x-2+y=24 x+y=26 当y+5=24 则 x-2+y=1 x+y=3
y+5=2 x-2+y=12 x+y=14 y+5=12 x-2+y= 2 x+y=4
y+5=3 x-2+y=8 x+y=10 y+5=8 x-2+y=3 x+y=5
y+5=4 x-2+y=6 x+y=8 y+5=6 x-2+y=4 x+y=6

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