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.
`5/2 x = 25/4`
Solve the following equations.
2 (x + 4) = 12
Solve the following equations.
4(2 - x) = 8
If 7x + 4 = 25, then x is equal to ______.
The equation having 5 as a solution is ______.
Sum of two numbers is 81. One is twice the other.
- If smaller number is x, the other number is ______.
- The equation formed is ______.
- The solution of the equation is ______.
- The numbers are ______ and ______.
If z + 3 = 5, then z = ______.
If 2x + 3 = 5, then value of 3x + 2 is ______.
`3/2` is the solution of the equation 8x – 5 = 7.
A number exceeds the other number by 12. If their sum is 72, find the numbers.
