What is the solution to the equation 3y = 9?a)y = 3b)y = 5c)y = 6d)y =...
To solve 3y = 9, divide both sides by 3, resulting in y = 3. This is a straightforward solution that showcases the basic principle of isolating the variable.
What is the solution to the equation 3y = 9?a)y = 3b)y = 5c)y = 6d)y =...
Understanding the Equation
To solve the equation 3y = 9, we need to isolate the variable y. This means we want to express y in terms of numbers.
Steps to Solve the Equation
- Identify the Equation: We start with the equation 3y = 9.
- Divide Both Sides by 3: To isolate y, we divide both sides of the equation by 3. This is because the coefficient of y is 3.
- So, we perform the operation:
- 3y ÷ 3 = 9 ÷ 3
- Simplifying the Equation: When we simplify, we get:
- y = 3
Conclusion
Thus, the solution to the equation 3y = 9 is:
- y = 3
This matches option 'A', confirming it as the correct answer.
Key Takeaway
- Always perform the same operation on both sides of the equation to keep it balanced.
- Isolate the variable to find its value.
By following these steps, you can effectively solve similar equations in the future!