[x-7]<3 [2x+3]>или=5

Question

[x-7]<3<br> [2x+3]>или=5

Comments

Можете более подробно написать )))

Answer 1

|x-7|<3<br>{x-7<3 => {x<10<br>{x-7>-3 =>{x>4
x∈(4;10)

|2x+3|≥5
{2x+3≥5 => {2x≥2 =>x≥1
{2x+3≤-5 =>{2x≤-8 =>x≤-4
x∈(-4;-∞)∪(1;∞)