Question

subtract -a+b-c from a+b+c​

Answer 1

Answer:

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

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

-2a-2c

hope this helps

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Answer 2

Answer:

$a + b + c - ( - a + b - c) \\ = a + b + c + a - b + c \\ = 2a + 2c \\ = 2(a + c) \: \: \: is \: the \: ans$