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1. A , B and C will be 3, 1/9, and -4/3 respectively.

   What is summation?

   Summation is to add or subtract any two or more terms by doing that operation we will get a new result which could be big or small depending upon the number.

   A summation, which is the result of adding two or more numbers or quantities, is also known as a sum. A summation always has an integer number of terms.

   Given the summation

   A = 3

   B + C + A + B + B = 2 ⇒ 3B + A + C = 2

   By substituting

   3B + C = -1

   Now,

   C + A + C + A + C = 2

   3C + 2A = 2

   By substittuing

   C = -4/3.

   Again substituting

   B = 1/9

   Hence the digit ABC will be 3, 1/9, and -4/3 respectively.

   For more information about summation

   brainly.com/question/10777222

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