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