Question

4,5(x-1)-2,3(x+2)=2,1x

Answer 1

4,5(x-1)-2,3(x+2)=2,1x
4,5х - 4,5 - 2,3х - 4,6 =2,1х
2,2х  - 2,1х = 4,5 + 4,6
0,1х = 9,1
х = 91