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

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

Answer 2

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 = 91