4=(-1/4)(-2)+b eching

$$4 = ( \frac { - 1 } { 4 } ) ( - 2 ) + b$$

b uchun yechish

$$b = \frac{7}{2} = 3\frac{1}{2} = 3,5$$

Chiziqli tenglamalarni yechish bo'yicha qadamlar

\frac{-1}{4} kasri manfiy belgini olib tashlash bilan -\frac{1}{4} sifatida qayta yozilishi mumkin.

$$4=-\frac{1}{4}\left(-2\right)+b$$

-\frac{1}{4}\left(-2\right) ni yagona kasrga aylantiring.

$$4=\frac{-\left(-2\right)}{4}+b$$

2 hosil qilish uchun -1 va -2 ni ko'paytirish.

$$4=\frac{2}{4}+b$$

\frac{2}{4} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$4=\frac{1}{2}+b$$

Tomonlarni almashtirib, barcha oʻzgaruvchi shartlar chap tomonga oʻtkazing.

$$\frac{1}{2}+b=4$$

Ikkala tarafdan \frac{1}{2} ni ayirish.

$$b=4-\frac{1}{2}$$

4 ni \frac{8}{2} kasrga o‘giring.

$$b=\frac{8}{2}-\frac{1}{2}$$

\frac{8}{2} va \frac{1}{2} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$b=\frac{8-1}{2}$$

7 olish uchun 8 dan 1 ni ayirish.

$$b=\frac{7}{2}$$