3(3x - 8) + 4x = -2(12 - 7x) - x
9x - 24 + 4x = -24 + 14x - x distributed 3 on the left and -2 on the right
- 24 + 13x = -24 + 13x added like terms on the left and the right
-13x -13x
-24 = -24
TRUE
A true statement means infinitely many solutions (aka All Real Numbers)
Answer: C