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प्रश्न
In natural numbers, 4x + 5 = –7 has ______ solution.
उत्तर
In natural numbers, 4x + 5 = –7 has no solution.
Explanation:
Solve the equation for x,
4x + 5 = –7
⇒ 4x = –7 – 5 ......[Transposing 5 to RHS]
⇒ 4x = –12
⇒ x = –3 .......[Dividing both sides by 3]
Since, the value of x is not natural number, hence the equation has no solution in natural numbers.
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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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| (iii) `x/12` = – 5 | (C) 4 |
| (iv) 5x = 30 | (D) 6 |
| (v) The value of y which satisfies 3y = 5 | (E) 11 |
| (vi) If p = 2, then the value of `1/3 (1 - 3p)` | (F) – 60 |
| (G) 3 |
