Question

решите уравнение 27х-13х-х+38+15х=990

Answer 1

27х-13х-х+38+15х=99027х+15х-13х-х=990-38
28х=952
х=952/28
х=34

Answer 2

спасибо

Answer 3

27х-13х-х+38+15х=990
27х-13х-х+15х=990-38
28х=952
х=952:28
х=34