Answer
[3,$\infty$)
Work Step by Step
1. $\frac{3x}{10}$+1≥$\frac{1}{5}$-$\frac{x}{10}$
2. 10($\frac{3x}{10}$+1)≥10($\frac{1}{5}$-$\frac{x}{10}$)
3. 3x+10≥2-x
4. 3x+10+10+x≥2-x+10+x
5. 4x≥12
6. 4x/4≥12/4
7. x≥3
Interval notation for x≥3 is [3,$\infty$)
