Решите неравенства |2x+1|7 |4x+3|≥5 |1-2x|≤5...

bogdan2959 @bogdan2959

April 2022 1 10 Report

Решите неравенства
|2x+1|<3
|3x-2|>7
|4x+3|≥5
|1-2x|≤5

Answers & Comments

ksyuwi

$|2x+1|$

x ∈ ( -∞ ; -2 )

$><strong></strong></p><p><strong>x ∈ ( 3 ; +∞ )</strong></p><p><strong></strong></p><p><img src=$

x ∈ [ 0,5 ; +∞ )

$|1-2x|\leq 5\\\\\left \{ {{1-2x\leq 5} \atop {1-2x\leq -5}} \right. \\\\\left \{ {{-2x\leq 5-1} \atop {-2x\leq -5-1}} \right. \\\\\left \{ {{-2x\leq 4} \atop {-2x\leq -6}} \right. \\\\\left \{ {{x\geq 4:-2} \atop {x\geq -6:(-2)}} \right. \\\\\left \{ {{x\geq -2} \atop {x\geq 3}} \right.$

x ∈ [ 3 ; +∞ )

5 votes Thanks 5

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