Default
Question
A natural number decreased by 7 is 12. Find the number.
Solution
The correct answer is 19
Explanation
Let the number by x
Decreasing the number by 7 = x - 7 = 12
∴ x - 7 = 12
Adding 7 on both sides
x -7 + 7 = 12 + 7
∴ x = 19
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