Which steps are needed to solve the equation?

Question

b+6=21

(1 point)
Responses

1. Add 6 from the left side and subtract 6 to the right side of the equation.

2. The answer is b = 15.

3. Check the solution by substituting 15 for b.

1. Add 6 from the left side and subtract 6 to the right side of the equation. 2. The answer is  b = 15. 3. Check the solution by substituting 15 for b.

1. Add 6 to both sides of the equation.

2. The answer is b =27.

3. Check the solution by substituting 27 for b.

1. Add 6 to both sides of the equation. 2. The answer is  b =27. 3. Check the solution by substituting 27 for  b.

1. Subtract 6 from both sides of the equation.

2. The answer is b = 15.

3. Check the solution by substituting 15 for b.

1. Subtract 6 from both sides of the equation. 2. The answer is  b = 15. 3. Check the solution by substituting 15 for b.

1. Subtract 6 from the left side and add 6 to the right side of the equation.

2. The answer is b =27.

3. Check the solution by substituting 27 for b.

Answer 1

To solve the equation \( b + 6 = 21 \), the correct steps are:

1. Subtract 6 from both sides of the equation.
2. The answer is \( b = 15 \).
3. Check the solution by substituting 15 for \( b \): \( 15 + 6 = 21 \) (this is correct).

Thus, the correct option from your responses is:

1. Subtract 6 from both sides of the equation.
2. The answer is \( b = 15 \).
3. Check the solution by substituting 15 for \( b \).