Question

Solve: 9x - 18 = 3(3x - 2) - 12 A) x = 2 B) x = 1 2 C) x = −3 D) infinitely many solutions

Answer 1

$9x - 18 = 3(3x - 2) - 12 \\ 9x - 18 = 9x - 6 - 12 \\ 9x - 18 = 9x - 18 \\ 0 = 0 \\therefore \: \\ infinitely \: many \: solutions \: = (d)$