Question

даю 20 б
10х-х=65,880,

Answer 1

$9x = \frac{65880}{1000} \\ x = \frac{65880}{1000} \div \frac{9}{1} = \frac{65880 \times 1}{1000 \times 9} = \frac{7320}{1000} = \frac{732}{100} = 7.32$

Answer 2

10х - х = 65 880
9x = 65 880
x = 65 880 ÷ 9
x = 7320

Ответ:
73200 - 7320 = 65 880