m uchun yechish
m = \frac{15}{2} = 7\frac{1}{2} = 7,5
Baham ko'rish
Klipbordga nusxa olish
\frac{1}{3}\left(-\frac{5}{7}\right)m+\frac{1}{3}\times \frac{6}{7}=1-\frac{1}{3}m
\frac{1}{3} ga -\frac{5}{7}m+\frac{6}{7} ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
\frac{1\left(-5\right)}{3\times 7}m+\frac{1}{3}\times \frac{6}{7}=1-\frac{1}{3}m
Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{1}{3} ni -\frac{5}{7} ga ko‘paytiring.
\frac{-5}{21}m+\frac{1}{3}\times \frac{6}{7}=1-\frac{1}{3}m
\frac{1\left(-5\right)}{3\times 7} kasridagi ko‘paytirishlarni bajaring.
-\frac{5}{21}m+\frac{1}{3}\times \frac{6}{7}=1-\frac{1}{3}m
\frac{-5}{21} kasri manfiy belgini olib tashlash bilan -\frac{5}{21} sifatida qayta yozilishi mumkin.
-\frac{5}{21}m+\frac{1\times 6}{3\times 7}=1-\frac{1}{3}m
Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{1}{3} ni \frac{6}{7} ga ko‘paytiring.
-\frac{5}{21}m+\frac{6}{21}=1-\frac{1}{3}m
\frac{1\times 6}{3\times 7} kasridagi ko‘paytirishlarni bajaring.
-\frac{5}{21}m+\frac{2}{7}=1-\frac{1}{3}m
\frac{6}{21} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
-\frac{5}{21}m+\frac{2}{7}+\frac{1}{3}m=1
\frac{1}{3}m ni ikki tarafga qo’shing.
\frac{2}{21}m+\frac{2}{7}=1
\frac{2}{21}m ni olish uchun -\frac{5}{21}m va \frac{1}{3}m ni birlashtirish.
\frac{2}{21}m=1-\frac{2}{7}
Ikkala tarafdan \frac{2}{7} ni ayirish.
\frac{2}{21}m=\frac{7}{7}-\frac{2}{7}
1 ni \frac{7}{7} kasrga o‘giring.
\frac{2}{21}m=\frac{7-2}{7}
\frac{7}{7} va \frac{2}{7} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{2}{21}m=\frac{5}{7}
5 olish uchun 7 dan 2 ni ayirish.
m=\frac{5}{7}\times \frac{21}{2}
Ikki tarafini \frac{21}{2} va teskari kasri \frac{2}{21} ga ko‘paytiring.
m=\frac{5\times 21}{7\times 2}
Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{5}{7} ni \frac{21}{2} ga ko‘paytiring.
m=\frac{105}{14}
\frac{5\times 21}{7\times 2} kasridagi ko‘paytirishlarni bajaring.
m=\frac{15}{2}
\frac{105}{14} ulushini 7 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
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