Question

(y+4,5):7=1,2

41-7,08y=23,3

21,71+4.06y=27,8

5,09х-3,84х=1

3,4+1.8х=43,16

Answer 1

1. (у+4.5)= 8.4
у=3.9
2. 4.06у=6.09
у= 1.5
3.1.25х=1
х=0.8