a) tenglikning har ikki tomonida 7 qoldiq: -3x+2x+7=2x+9-7 b) Modulni ayirib, quyidagicha hosil qilamiz: -3x+2x=2x+2 c) Modul mutlaq qiymatni ifodalaydi, endi ikkita imkoniyatni ochib beradi. 1) Birinchi modulida tenglikning bir tomonida -1 ga ko'paytiramiz -3x+2=-1(2x+2) 2) Ko'paytmani ko'paytiramiz: -3x+2=-2x-2 3) Ikkala tomonida 2x qo'shamiz: -3x+2+2=-2x2+2 -> -x+2-2= 4) Ikkala tomonida 2 ta a'zo qo'shamiz: -x2+2=-2x2 -> -x+2=4 5) Modulning har ikki tomonida 4 a'zo qo'shamiz: -x4=
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