Question

x/5 maior que ou igual 1/4 - 2-x/2

Answer 1

x/5≥1/4-2-x/2

x/5+x/2≥1/4-2

2x/10+5x/10≥1/4-8/4

7x/10≥-7/4

28x≥-70

x≥-70/28

x≥-5/2 ou 2 1/2