z uchun yechish
z=6
Baham ko'rish
Klipbordga nusxa olish
2z+15=6z-9
Tenglamaning ikkala tarafini 12 ga, 6,4,2 ning eng kichik karralisiga ko‘paytiring.
2z+15-6z=-9
Ikkala tarafdan 6z ni ayirish.
-4z+15=-9
-4z ni olish uchun 2z va -6z ni birlashtirish.
-4z=-9-15
Ikkala tarafdan 15 ni ayirish.
-4z=-24
-24 olish uchun -9 dan 15 ni ayirish.
z=\frac{-24}{-4}
Ikki tarafini -4 ga bo‘ling.
z=6
6 ni olish uchun -24 ni -4 ga bo‘ling.
Misollar
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Chegaralar
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