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Simple Equations — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSSimple Equations1 Mark
MCQ
The solution of the equation $10y - 20 = 30$ is:
  • A
    $1$
  • B
    $2$
  • C
    $3$
  • ✓
    $5$
✓

Answer

Correct option: D.
$5$

$10y - 20 = 30$
$\Rightarrow 10y = 30 + 20 = 50$
$\Rightarrow\text{y} = \frac{50}{10} = 5$

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