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

Спасибо!