Question

Решите уравнение
35 * (1(целая)2/5х + 3(целых)1/7)=257

Answer 1

35*(1 25 *х + 3 17) = 257

35*(77+227)=257

49х+110=257
49х=147
х=3.

Answer 2

35*(1 2/5х+3 1/7)=257
35*(7/5х+22/7)=257
49х+110=257
49х=257-110
49х=147
х=147:49
х=3