2pir+2x=300 eching

$$2 \pi r+2x = 300$$

r uchun yechish

$$r=-\frac{x-150}{\pi }$$

Chiziqli tenglamalarni yechish bo'yicha qadamlar

Ikkala tarafdan 2x ni ayirish.

$$2\pi r=300-2x$$

Ikki tarafini 2\pi ga bo‘ling.

$$\frac{2\pi r}{2\pi }=\frac{300-2x}{2\pi }$$

2\pi ga bo'lish 2\pi ga ko'paytirishni bekor qiladi.

$$r=\frac{300-2x}{2\pi }$$

300-2x ni 2\pi ga bo'lish.

$$r=\frac{150-x}{\pi }$$

x uchun yechish

$$x=150-\pi r$$

Chiziqli tenglamalarni yechish bo'yicha qadamlar

Ikkala tarafdan 2\pi r ni ayirish.

$$2x=300-2\pi r$$

Ikki tarafini 2 ga bo‘ling.

$$\frac{2x}{2}=\frac{300-2\pi r}{2}$$

2 ga bo'lish 2 ga ko'paytirishni bekor qiladi.

$$x=\frac{300-2\pi r}{2}$$

300-2\pi r ni 2 ga bo'lish.

$$x=150-\pi r$$