164k views
1 vote
Which steps are needed to solve this equation?

.
b minus 21 = 177
Subtract 21 from the left side and add 21 to the right side of the equation.
The answer is b = 198.
Check the solution by substituting 198 for b.
Add 21 to the left side and subtract 21 from the right side of the equation.
The answer is b = 156.
Check the solution by substituting 198 for b.
Subtract 21 from both sides of the equation.
The answer is b = 156.
Check the solution by substituting 156 for b.
Add 21 to both sides of the equation.
The answer is b = 198.
Check the solution by substituting 198 for b.

2 Answers

4 votes

Answer:

d

Explanation:

User Blacklwhite
by
3.7k points
2 votes

Answer:

Subtract 21 from the left side and add 21 to the right side of the equation.

The answer is b = 198.

Check the solution by substituting 198 for b.

Explanation:

User CristiFati
by
3.3k points