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The difference of 46 and 18 is equal to the sum of 9 and a number

Sagot :

Equation:

46 - 18 = 9 + n
28 = 9 + n
28 - 9 = 9 - 9 + n
19 = n

The number is 19.

To check:
46 - 18 = 9 + 19
28 = 28