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Question

b÷2-1÷4=b÷4


Solution

Considering BODMAS rule
We can rewrite as
b/2 - 1/4 = b/4
 By cross multiplication:
(4b-2)/8=b/4
Taking 2 outside:
2(2b-1)/8 = b/4
(2b-1)/4=b/4
Denominator is same
Therefore numerator must be same
2b-1=b
2b-b=1
b=1
 

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