Question

5a - [6a - {9a-(10a-4a-3a)}]

Answer 1

Answer:

5a

Step-by-step explanation:

5a[6a-{9a-(10a-7a)

=5a-[6a-{9a-3a}

=5a-[6a-6a]

=5a-0

=5a is the answer

Answer 2

Answer:

5a

Step-by-step explanation:

5a - [6a - {9a-(10a-4a-3a)}]

=5a - [6a - {9a-3a}]

=5a - [6a - 6a]

=5a - 0a

=5a

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