Advertisements
Advertisements
प्रश्न
If k + 7 = 16, then the value of 8k – 72 is ______.
विकल्प
0
1
112
56
Advertisements
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
APPEARS IN
संबंधित प्रश्न
Solve the following equations.
`2y + 5/2 = 37/2`
Solve the following equations.
`a/5 + 3 = 2`
Solve the following equations.
2 (x + 4) = 12
The solution of the equation 3x + 7 = –20 is ______.
The equation having – 3 as a solution is ______.
The sum of two numbers is 60 and their difference is 30.
The solution of the equation is ______.
______ is the solution of 3x + 10 = 7.
x – ______ = 15; when `x/2` = 6.
If `x - 7/8 = 7/8`, then x = ______.
5 is the solution of the equation 3x + 2 = 17.
