If x = 4/9,y = -7/12 and z =-2/3 , then verify that x - (y-z) ≠ (x -y) -z
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Step-by-step explanation:
Right hand side left hand side
x-(y- z) (x - y) - z
4/9 - [(-7/12)- (-2/3)] [ 4/9 - (-7/12) ] - (-2/3)
4/9 - [ -7/12 + 2/3 ] [ 4/9 + 7/12] + 2/3
4/9 - 1/12 37/36 + 2/3
13/36 61/36
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