5(х+1,2) - 2(1,1х+1) = 2,3х +0,4РЕШИТЕ

Question

5(х+1,2) - 2(1,1х+1) = 2,3х +0,4
РЕШИТЕ

Answer 1

5(х+1.2)-2(1.1х+1)=2.3х+0.4
5х+6-2.2х-2=2.3х+0.4
5х-2.2х-2.3х=0.4-6+2
0.5х=3.6
х=7.2