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x-4=6 y+2=3
x=6+4 y=3-2
x=10 y=1
...............................
(x-7 , y-10) = (3,5)
x-7=3 y-10=5
x=7+3 y=5+10
x=10 y=15
..................................
(2x-4 , 3y-4) = (2,5)
2x-4=2 3y-4=5
2x=2+4 3y=5+4
2x=6 3y=9
x=6/2 y=9/3
x=3 y=3
..............................................
(3x-7 , 4y-2) = (8,14)
3x-7=8 4y-2=14
3x=7+8 4y=14+2
3x=15 4y=16
x=15/3 y=16/4
x=5 y=4
................................................
(x²-1 , y²-2) = (3,7)
x²-1=3 y²-2=7
x²=3+1 y²=7+2
x²=4 y²=9
√x²=√4 √y²=√9
x=2 x= -2 y=3 y= -3
....................................................
(x²-4 , y²-5) = (5,20)
x²-4=5 y²-5=20
x²=5+4 y²=20+5
x²=9 y²=25
√x²=√9 √y²=√25
x=3 x= -3 y=5 y= -5
...................................................
(x²-6 , y²-6) = (10,30)
x²-6=10 y²-6=30
x²=10+6 y²=30+6
x²=16 y²=36
√x²=√16 √y²=√36
x=4 x= -4 y=6 y= -6