Math, asked by vaishnavichauhan90, 9 hours ago

(a-(2a-3a))+ (4a - (5a-6a)) + (7a - (8a-9a)}
simplify the following

Answers

Answered by furkanat

2

Answer:

method 1

(a-2a+3a)+(4a-5a+6a)+(7a-8a+9a)

=2a+5a+8a

=15a

method 2

a-(-a)+4a-(-a)+7a-(-a)

=a+a+4a+a+7a+a

=15a

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