4,5(х -1) – 2,3(х+2) = 2,1x

Question

4,5(х -1) – 2,3(х+2) = 2,1x

Answer 1

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

Answer 2

4,5(х -1) – 2,3(х+2) = 2,1x
4.5x-4.5-2.3x-4.6-2.1x=0
0.1x=9.1
x= 91