verify -4/9+-5/7=-5/7+-4/9 pls answer step by step
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vwo nfcc ufg its a study meeting of girl girl only were allow here because boy disturb i am also girl so come its safe only girl here
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-4/9+(-5/7)=-5/7+(-4/9)
-4/9-5/7=-5/7-4/9
-28-45/63=-45-28/63
-73/63=-73/63
-4/9-5/7=-5/7-4/9
-28-45/63=-45-28/63
-73/63=-73/63
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