find the sum of a+b,b-c,a-b+c and c-a+b?
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Answer:
a+b+b-c+a-b+c+c-a+b
=a+2b+c
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Answer:
Step-by-step explanation:
a + b + b - c + a - b + c + c - a + b
= ( a + a - a ) + ( b +b + - b + b ) + ( - c + c + c ) (∵like terms adding )
= ( 2a - a ) + ( 3b - b ) + ( 2c - c )
= a + 2b + c is the answer
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