2/3×[-6/7+4/5=2/3×4/5]×-6/7
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Step-by-step explanation:
2/3 × ( -6/7 + 4/5) = ( 2/3 + 4/5 ) × (- 6/7)
2/3 × (-30/35 + 28/35) = ( 10/15 + 12/15) × (-6/7)
2/3 × -2/35 = 2/15 × -6/7
-4/105 = -4/105
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