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denis23 [38]
3 years ago
5

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Mathematics
1 answer:
tigry1 [53]3 years ago
4 0

Answer:

C) 4

Step-by-step explanation:

Replace the variable a with 4 to see if it makes the equation true.

4 + (-7) + 3 = -3 +3

-3 + 3 = 0; thererfore, the number 4 is the proper solution to the equation.

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