Answer:
x<1/3
Explanation:
Divide numbers from left to right.
4/2=2
x+2x-1<0
Add similar into elements
2x+x=3x
3x-1<0
Add by 1 from both sides of equation.
3x-1+1<0+1
Simplify.
0+1=1
3x<1
Divide by 3 from both sides of equation.
3x/3<1/3
Simplify, to find the answer.
x<1/3 is the correct answer.
I hope this helps you, and have a wonderful day!