7
QuizMultiple Choice
Unit Test — Cumulative exam
Question 7 • TX-College Prep Math A
Which steps are needed to solve this equation?.
Answer
A
Subtract 21 from the left side and add 21 to the right side of the equation. The answer is .Check the solution by substituting 198 for b.
B
Add 21 to the left side and subtract 21 from the right side of the equation. The answer is .Check the solution by substituting 198 for b.
C
Subtract 21 from both sides of the equation. The answer is .Check the solution by substituting 156 for b.
D
Add 21 to both sides of the equation. The answer is .Check the solution by substituting 198 for b.