Question

1/3*х+1/4*х = 34/45 решить уравнение

Answer 1

1/3Х+1/4Х=34/45
4/12Х+3/12Х=34/45
7/12Х=34/45
Х=34/45÷7/12=34/45×12/7=136/105=1 31/105.