а) 11,2х+3,7=7,06
11,2х=7.06-3.7
11,2х=3,36
х=3.36/11.2
х=0.3
б) (5,4у+8,3)*2,1=23,1
5.4у+8.3=23.1/2.1
5.4у+8.3=11
5.4у=11-8.3
5.4у=2.7
у=2.7/5.4
у=0.5
11,2x+3,7=7,06
11,2x=7,06-3,7
11,2x=3,36
x=0,3
