4,2*(0,25+x)=1.47
1.05+4.2x=1.47
4.2x=1.47-1.05
4.2x=0.42
x=0.42/4.2
x=0.1
1,05+4,2х=1,47
4,2х=1,47-1,05
х=0,42/4,2
х=0,1
4,2*(0,25+x)=1.47
1.05+4.2x=1.47
4.2x=1.47-1.05
4.2x=0.42
x=0.42/4.2
x=0.1
1,05+4,2х=1,47
4,2х=1,47-1,05
х=0,42/4,2
х=0,1