∣5−2x∣<7|5-2 x|<7∣5−2x∣<7
∣3−2x∣<5|3-2 x|<5∣3−2x∣<5
∣5−2x∣>−3|5-2 x|>-3∣5−2x∣>−3
∣3−2x∣>−5|3-2 x|>-5∣3−2x∣>−5