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Simplify: 2a − 3b − [3a − 2b − {a − c − (a − 2b)}] - Mathematics

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Question

Simplify:

2a − 3b − [3a − 2b − {a − c − (a − 2b)}]

Sum
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Solution

2a − 3b − [3a − 2b − {a − c − (a − 2b)}]
We will first remove the innermost grouping symbol ( ), followed by { } and then [ ].

∴ 2a − 3b − [3a − 2b − {a − c − (a − 2b)}]
= 2a − 3b − [3a − 2b − {a − c − a + 2b}]
= 2a − 3b − [3a − 2b − {− c + 2b}]
= 2a − 3b − [3a − 2b + c − 2b]
= 2a − 3b − [3a − 4b + c ]
= 2a − 3b − 3a + 4b − c
= − a + b − c

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Chapter 8: Algebraic Expressions - Exercise 8D [Page 137]

APPEARS IN

R.S. Aggarwal Mathematics [English] Class 6
Chapter 8 Algebraic Expressions
Exercise 8D | Q 14 | Page 137
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