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20-12-2019
Mathematics

contestada

Find the sum. 3a - 4b, 7b + c, c - 3a, and a + b - 2c

Respuesta :

FrightfulMarty FrightfulMarty

20-12-2019

Answer:

required sum=a+4b

Step-by-step explanation:

given 3a-4b,7b+c,c-3a and a+b-2c

required sum=3a-4b+7b+c+c-3a+a+b-2c

=3a-3a+a-4b+7b+b+c+c-2c

=a+4b

hence required sum=a+4b answer

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