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Algebraic Expressions — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSAlgebraic Expressions1 Mark
Question
Find the value of the expression $2x – 7$, when $x = –1$
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Answer

$2x – 7$
$2x – 7 = 2 (–1) – 7 = –2 – 7 = –9$

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