решите уравнение: 2/3х+4 1/6=5 2/3 3/7х-2 1/6=5 1/3

Question

решите уравнение: 2/3х+4 1/6=5 2/3 3/7х-2 1/6=5 1/3

Answer 1

2/3х=17/3-25/6=34/6-25/6
2/3х=9/6
х=3/2:2/3=3/2*3/2=9/4=2 1/4

3/7х=16/3+13/6=32/6+13/6=45/6
х=45/6:3/7=45/6*7/3=15*7:6=105/6
х=17 1/2