x uchun yechish
x=-\frac{1}{14}\approx -0,071428571
Grafik
Baham ko'rish
Klipbordga nusxa olish
5+7x-\left(4-7x\right)=0
5 olish uchun 9 dan 4 ni ayirish.
5+7x-4-\left(-7x\right)=0
4-7x teskarisini topish uchun har birining teskarisini toping.
5+7x-4+7x=0
-7x ning teskarisi 7x ga teng.
1+7x+7x=0
1 olish uchun 5 dan 4 ni ayirish.
1+14x=0
14x ni olish uchun 7x va 7x ni birlashtirish.
14x=-1
Ikkala tarafdan 1 ni ayirish. Har qanday sonni noldan ayirsangiz, o‘zining manfiyi chiqadi.
x=\frac{-1}{14}
Ikki tarafini 14 ga bo‘ling.
x=-\frac{1}{14}
\frac{-1}{14} kasri manfiy belgini olib tashlash bilan -\frac{1}{14} sifatida qayta yozilishi mumkin.
Misollar
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Matritsa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Differensatsiya
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Oʻngga
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Chegaralar
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