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प्रश्न
______ is the solution of the equation 3x – 2 = 7.
उत्तर
x = 3 is the solution of the equation 3x – 2 = 7.
Explanation:
Solve the given equation for x,
3x – 2 = 7
⇒ 3x = 7 + 2 ......[Transposing (–2) to RHS]
⇒ 3x = 9
⇒ `(3x)/3 = 9/3` ......[Dividing both sides by 3]
⇒ x = 3
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Match each of the entries in Column I with the appropriate entries in Column II.
| Column I | Column II |
| (i) x + 5 = 9 | (A) `- 5/3` |
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| (vi) If p = 2, then the value of `1/3 (1 - 3p)` | (F) – 60 |
| (G) 3 |
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