1. If the absolute value of 4-x + the absolute value of Y + 6 = 0, then x of y = [

|4-x|+|y+6|=0
The absolute value is greater than or equal to 0
So only the opposite number of 0 is 0
That is | 4-x | = 0; | y + 6 | = 0
The solution is x = 4, y = - 6
x/y=4/(-6)=-2/3

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