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प्रश्न
If k + 7 = 16, then the value of 8k – 72 is ______.
पर्याय
0
1
112
56
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उत्तर
If k + 7 = 16, then the value of 8k – 72 is 0.
Explanation:
Consider the given equation k + 7 = 16
To find out the value of K
Transpose 7 to right-hand side then it becomes –7
k = 16 – 7
k = 9
Then, the value of 8k – 72 will be,
= (8 × 9) – 72
= 72 – 72
= 0
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संबंधित प्रश्न
Solve the following equations.
`q/4 + 7 = 5`
Solve the following equations.
`(3l)/2 = 2/3`
Solve the following equations.
4(2 - x) = 8
Which of the following is not allowed in a given equation?
x – 0 = ______; when 3x = 12.
5 is the solution of the equation 3x + 2 = 17.
`9/5` is the solution of the equation 4x – 1 = 8.
4x – 5 = 7 does not have an integer as its solution.
If 4x – 7 = 11, then x = 4.
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` |
| (ii) x – 7 = 4 | (B) `5/3` |
| (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 |
