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Linear Equations and Inequalities — MATHS STD 7 — Question

ICSE BoardEnglish MediumSTD 7MATHSLinear Equations and Inequalities1 Mark
Question
$5x + ………. = 13$ has the solution $-3.$
✓

Answer

$5 x+28=13$ has the solution $-3.$
$5(-3)+\ldots \ldots \ldots .=13$
$-15+\ldots \ldots \ldots . .=13$
Required number $=13+15=28$

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