Question

subtract a+b+c from the sum of a+b and b+2a+c ​

Answer 1

Answer:

2a + b

Step-by-step explanation:

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Answer 2

Answer:

First of all add a+b and b+2a+c

a+b +b+2a+c = 3a+2b+c

Now substract a+b+c from 3a+2b+c

3a+2b+c -(a+b+c) = 3a+2b+c-a-b-c= 2a+b

Hope you will understand it