Math, asked by avika9536, 6 months ago

question-1,2,4,7 and Chapter name algebraic expression

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Answers

Answered by varunbikkina

1

Step-by-step explanation:

1. 8(a-2)

=8a-16

2. 5+2(a-2)

=5+2a-4

=1+2a

4. 7a-8(a+5)

=7a-8a-40

= -a-40

7. 8a-(b+7)+2(a-b)

=8a-b-7+2a-2b

=10a-3b-7

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