Gujarat BoardEnglish MediumSTD 7MATHSSimple Equations1 Mark
Question
If $84$ exceeds another number by $12,$ then the other number is ________.
✓
Answer
$\Rightarrow 84 - x = 12 $
$\Rightarrow -x = 12 - 84 [$transposing $84$ to $RHS] $
$\Rightarrow -x = -72$
$\Rightarrow x = 72 [$multiplynig both sides by $(-1)]$
Hence, the number is $72.$
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