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Equations in One Variable — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsEquations in One Variable4 Marks
Question
Solve the following equations :

$2 m+7=9$

✓

Answer

$2 m+7=9$
$\therefore 2 m+7-7=9-7$
...[Subtracting 7 from both the sides]
$\therefore 2 m=2$
$\therefore \frac{2 m}{2}=\frac{2}{2}$ [Dividing both the sides by 2 ]
$\therefore \mathrm{m}=1$

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