Question 17917
To solve this we need to get x on one side by itself:
3x-1=11
Add 1 to both sides:
3x-1+1=11+1
3x+0=12
3x=12
Divide both sides by 3:
3x/3=12/3
1x=4
x=4
Please don't hesitate to ask if you have further questions!