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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 : $a-(2 a-\overline{4 a+3 a})$
✓

Answer

$a-(2 a-\overline{4 a+3 a})$
$=a-(2 a-4 a-3 a)$
$=a-2 a+4 a+3 a$
$=8 a-2 a$
$=6 a$

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