SYNTENE LEARN . SAT MATH . ALGEBRA
If 4x - 10 = 26, what is the value of 2x - 5?
Answer: 13. Solve 4x - 10 = 26: add 10 to both sides, 4x = 36, so x = 9. Then 2x - 5 = 18 - 5 = 13.
Step-by-step solution
Solve 4x - 10 = 26: add 10 to both sides, 4x = 36, so x = 9. Then 2x - 5 = 18 - 5 = 13.
Common mistake
Finding x but forgetting to substitute it back into 2x - 5.
Watch: 20-second video walkthrough
What is the answer to If 4x - 10 = 26, what is the value of 2x - 5?
Answer: 13. Solve 4x - 10 = 26: add 10 to both sides, 4x = 36, so x = 9. Then 2x - 5 = 18 - 5 = 13.
How do you solve it?
Solve 4x - 10 = 26: add 10 to both sides, 4x = 36, so x = 9. Then 2x - 5 = 18 - 5 = 13.
What mistake do most students make?
Finding x but forgetting to substitute it back into 2x - 5.
What SAT topic is this?
Algebra. Practice more free Algebra questions with instant feedback at Syntene Learn.