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Question
If 84 exceeds another number by 12, then the other number is ______.
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Solution
If 84 exceeds another number by 12, then the other number is 72.
Explanation:
Let us assume the number be x
If a number is increased by 12 = x + 12
If a number is increased by 12, it becomes 84, x + 12 = 84
Transpose, 12 to RHS then it becomes –12
x = 84 – 12
x = 72
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