2 ((2x - 5) = - 2 tenglamasini x uchun yechish uchun, biz o'zgaruvchi ajralmaguncha, ikkala tomonga bir vaqtning o'zida algebraik manipulyatsiyalarni qo'llashimiz mumkin. Avvalo, ikkala tomonni 2: 2x - 5 = -1 ga bo'ling. Keyin, ikkala tomonga beshtani qo'shing: 2x = 4 Nihoyat, yana 2 ga bo'ling: x = 2 Biz x ga teng 2 natijasini olamiz. Biz buni chap tomondagi ifodani baholash orqali tekshirishimiz mumkin: 2 ((2 ((2) - 5) = 2 ((4 - 5) = 2 ((-1) = - 2
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