Hey friends ...plz tell me -2b= c kese aya ... I will definitely mark uh as brainlest.
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bcz 2 is down by the formulae so you 2 will go up bcz it 1 upon 2 so you take the 2 up so it will become _2b=c
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Explanation:
See... In rhs it will be c /2a and in lhs it will be -b/a
a to a cancel it will be -b= c/2
By cross multiplication
-2b=c
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