Question

verify -2/3+(7/8+-3/5)=(-2/3+7/8)+-3/5​

Answer 1

QUESTION :-

Verify :- -2/3+(7/8+-3/5)=(-2/3+7/8)+-3/5

ANSWER :-

L.H.S

$\: \: \: \: - 2 \div 3 + (7 \div 8 +( - 3 \div 5)) \\ = - 2 \div 3 + (7 \div 8 - 3 \div 5) \\ = - 2 \div 3 + ((35 - 24) \div 40) \\ = - 2 \div 3 + (11 \div 40) \\ = 11 \div 40 - 2 \div 30 \\ = ((11 \times 30) - (2 \times 40)) \div 120 \\ = (330 - 180) \div 120 \\ = 150 \div 120 \\ = 5 \div 4$

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R.H.S

$\: \: \: ( - 2 \div 3 + 7 \div 8) + ( - 3 \div 5) \\ =(( - 16 + 21) \div 24 ) - 3 \div 5 \\ = 5 \div 24 - 3 \div 5 \\ =( 25 - 72) \div 5 \\ = - 47 \div 5$

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THUS , WE CAN SEE HERE ONLY WITH A LITTLE CHANGE IN BRACKETS AND SIGN THE ANSWERS ALSO CHANGE ...

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