9. Varify the following identities ;
-4/7+(1/4+1/-2)= (-4/7+1/4)+1/-2
explain it.
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Step-by-step explanation:
can you explain me easily it's looking difficult
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answer. -4/7+(1/4+1/-2)=(-4/7+1/4)+1/-2. -4/7+2/-6= -5/11+1/-2. -6/-13=-6/-12
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