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Linear Equations and Inequalities — MATHS STD 7 — Question

ICSE BoardEnglish MediumSTD 7MATHSLinear Equations and Inequalities1 Mark
Question
3x – 5 = 2(x + 3) + 7 is a linear equation in one variable.
✓

Answer

3x – 5 = 2(x + 3) + 7
is a linear equation in one variable. (True)
3x – 5 = 2x + 6 + 7
⇒ 3x – 2x = 6 + 7 + 5
⇒ x = 18

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