Х+90=860×400 42600÷х=15

Question

Х+90=860×400 42600÷х=15

Answer 1

Х+90=860*400
х+90=344000
х=344000-90
х=343910
Ответ: 343910

42600:х=15
х=42600:15
х=2840
Ответ: 2840

Answer 2

Х+90=860*400
x+90=344000
x=343910