解不等式(y+1)/6-(2y-5)/4≥1

问题描述:

解不等式(y+1)/6-(2y-5)/4≥1

(y+1)/6-(2y-5)/4≥1
两边同时乘以12得
2(y+1)-3(2y-5)≥12
2y+2-6y+15≥12
-4y≥12-2-15
-4y≥-5
y≤5/4