5/11-(-2/3-5/7) not equal to {5/11+(-2/3)}-5/7
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Answer: 5/11-(-2/3-5/7) 'is' not equal to {5/11+(-2/3)}-5/7
Step-by-step explanation:
The question is just to prove that they are equal to each other.
Open brackets
• 5/11-(-2/3-5/7)
5/11-(-29/27)
5/11+29/27 [Find the LCM]
135+319/454
454/297.
• {5/11+(-2/3)}-5/7
(5/11-2/3)-5/7
—7/33
454/297 is not equal to -7/33
Therefore,
5/11-(-2/3-5/7) 'is' not equal to {5/11+(-2/3)}-5/7
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