Question

решите уравнения;
1) 67х=27
2) 2 2-3 :(2/9:14)

Answer 1

1). 6/7x=2/7
x=2/7:6/7=2/7*7/6=1/3
2). 22-3:(2/9:1/4)=22-27/8=149/8=18.625