Answer:
x ≥ 4
x ≥ 1
Step-by-step explanation:
x+4≥8
x≥ 8-4
x ≥ 4
closed brackets means x exists [ and closed c's mean it does not exist (
X: [4,infinty], does not exist (-infinity,4]
5x-2≥3
5x≥3+2
5x/5 ≥ 5/5
x ≥ 1
X: [1,infinty], does not exist (-infinity,1]
