Answer:
- Option B is correct i.e. 21
Explanation:
In the question we're provided with an equation that is :
And we are asked to find the solution for the equation .
Solution : -
Multiplying by 7 on both sides :
On further calculations , we get :
- Therefore , solution for equation is 21 .That means option B is the correct answer.
Verifying :
We are verifying our answer by substituting value of v in the equation given in question :
Putting value of v :
By dividing 21 with 7 , we get :
- Therefore , our answer is valid .
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