Question

Помогите плиз 859
Дам 20б

Answer 1

1)х=(2/3)х+1
(1/3)х=1
х=3
 
2)х-1/2=(3/4)х
(1/4)х=1/2
х=1/2÷1/4
х=2

3)х-2/3=(5/6)х
(1/6)х=2/3
х=2/3÷1/6
х=4

4)(1 4/5)у=у+4
(4/5)у=4
у=4÷4/5
у=5

5)(2/3)у-1/3=(5/9)у
(1/9)у=1/3
у=1/3÷1/9
у=3

6)(3/4)у-2/3=(7/12)у
(1/6)у=2/3
у=2/3÷1/6
у=4

Answer 2

1. х=3
2.х=2
3.х=4
4.у=1
5.у=3
6.у=4