Question

If 1AB + CCA = 697 and there is no carry over in addition, Find the value of A + B + C​

Answer 1

Question:

If 1AB + CCA = 697 and there is no carry over in addition, Find the value of A + B + C

Answer:

1 A B

(+) C C A

_____

6 9 7

How do solve it:

variable constant

a b to x y 1 2 3...

so the variables Letters change constant

number

Solution:

ans:

1 4 3

(+) 5 5 4

______

6 9 7

Therefore:

so, A = 4, B = 3 and C = 5

A + B + C = 12

12 = D

4 + 3 + 5 = 12

A + B + C = D

D = 12

Answer 2

A + B + C = 12

A = 4, B = 3, C = 4

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