Question

помогите с уравнением 73-56÷x=66

Answer 1

$73 - \frac{56}{x} = 66 \\ x \times 73 - \frac{x \times 56}{x} = x \times 66 \\ 73x - 56 = 66x \\ 73x - 66x = 56 \\ 7x = 56 \\ x = 56 \div 7 \\ x = 8$