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x-2=6 v -(x-2)=6
x= 8 v -x= 4
x= 8 v -x=-4
hp ( 8, -4)
b. |3x-5| =7
3x-5 =7 v -(3x-5)=7
3x= 12 v -3x= 2
x= 4 v x= -2/3
hp ( 4, -2/3)