Q47 of 107 Page 104

Fill in the blanks to make the statements true.

If 84 exceeds another number by 12, then the other number is ________.

Let the number be x.


84 – x = 12


⇒ –x = 12 – 84 [transposing 84 to RHS]


⇒ –x = –72


⇒ x = 72 [ multiplying both sides by (–1)]


Hence, the number is 72.


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