Math, asked by andy12324, 3 months ago

b) From the sum of a + b - 2c and 2a-b+c subtract a + b + c.

Answers

Answered by Anonymous

7

Answer:

Addition:

a+b-2c+2a-b+c

= a+2a+b-b-2c+c

= 3a-3c

Subtraction:

(3a-3c)-(a+b+c)

= 3a-3c-a-b-c

=3a-a-3c-c-b

=2a-4c-b

Answered by anitabisht96364

0

Step-by-step explanation:

whow the minus sign is coming infront of plus sign

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