4,5(х-1)-2,3(х+2)=2,1х

Question

4,5(х-1)-2,3(х+2)=2,1х

Answer 1

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