Which steps are needed to solve this equation?

b+6=21

•

Subtract 6 from both sides of the equation.

The answer is b = 15.

Check the solution by substituting 15 for b.

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

The answer is b-27

Check the solution by substituting 27 for b.

Add 6 to both sides of the equation.

The answer is b = 27

Check the solution by substituting 27 for b.

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

The answer is b = 15

Check the solution by substituting 15 for b.

Question

25 July, 06:45

+5

Answers (2)

Know the Answer?

Punkin · Answer 1

Answer:b=15

Step-by-step explanation:

Let's solve your equation step-by-step.

b+6=21

Step 1: Subtract 6 from both sides.

b+6-6 = 21-6

b=15

Anna Fritz · Answer 2

the answer is a