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Substitution (Including Use of Brackets as Grouping Symbols) — MATHS STD 6 — Question

ICSE BoardEnglish MediumSTD 6MATHSSubstitution (Including Use of Brackets as Grouping Symbols)2 Marks
Question
Simplify : $x+y-(x+\overline{y-x})$
✓

Answer

$x+y-(x+\overline{y-x})$
$=x+y-(x+y-x)$
$=x+y-x-y+x$
$=x-x+x+y-y$
$=x$

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