
Home > CAAC > Chapter 7 > Lesson 7.3.1 > Problem 7-88
7-88.
Multiply both sides by 18.
3x = 42
Divide both sides by 3.
x = 14
Don't forget to check your solution!
Subtract 3x from both sides.
3x + 2 = 7x − 8
−3x = −3x
2 = 4x − 8
Add 8 to both sides.
2 = 4x − 8
+8 = +8
10 = 4x
Divide by 4.
Don't forget to check your answer!
See the hints in part (a).
See the hints in part (b).
Divide both sides by 6.