Answer:
Step-by-step explanation:
1. Add 1 to both the sides
2. 3x=12
3. Divide both the sides by 3
4. X=4
Answer:
Step-by-step explanation:
[tex]3x-1=11\qquad\text{add 1 to both sides}\\\\3x-1+1=11+1\\\\3x=12\qquad\text{divide both sides by 3}\\\\\dfrac{3x}{3}=\dfrac{12}{3}\\\\\boxed{x=4}[/tex]
