Answer:
x = - [tex]\frac{1}{2}[/tex]
Step-by-step explanation:
- 9x + 3 = 3x + 9 ( subtract 3x from both sides )
- 12x + 3 = 9 ( subtract 3 from both sides )
- 12x = 6 ( divide both sides by - 12 )
x = [tex]\frac{6}{-12}[/tex] = - [tex]\frac{1}{2}[/tex]
