-15/4×(3/7 + (-12)/5) = (-15/4 × 3/7) +(-15/4×(-12)/4)
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15/4 × {(3/7 +(-12/5)}= (-15/4 × 3/7) + (-15/4 × -12/5)
=> -15/4 × ( 3/7 - 12/5) = -15/4× 3/7 +( -15/4 × -12/5)
=> -15/4 × 15 - 84/35 = -45/28 + (180/20)
=> -15/4 × -69/35 = -45/28+9/1
=> 1035/140 = -45+252/28
=> 207/28 = 207/28
LHS = RHS = 207/28
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