11,88:(х-2,9)=2,7
2.7(х-2.9)=11.88
2.7х-7.83=11.88
2.7х=11.88+7.83
2.7х=19.71
х=19.71:2.7
х=7.3
7,02:(у+1,2)=1,8
1.8(у+1.2)=7.02
1.8у+2.16=7.02
1.8у=7.02-2.16
1.8у=4.86
у=4.86:1.8
у=2.7
2,7а+3,6а-1,8а=36,9
4.5а=36.9
а=36.9:4.5
а=8.2
41,2у-28,7у=1
12.5у=1
у=1:12.5
у=0.08
(у-32,6)*2,4=1,8
2.4у-78.24=1.8
2.4у=1.8+78.24
2.4у=80.04
у=80.04:2.4
у=33.35
3,4х+1,8х=43,16
5.2х=43.16
х=43.16:5.2
х=8.3
11,88:(х-2,9)=2,7
2.7(х-2.9)=11.88
2.7х-7.83=11.88
2.7х=11.88+7.83
2.7х=19.71
х=19.71:2.7
х=7.3
7,02:(у+1,2)=1,8
1.8(у+1.2)=7.02
1.8у+2.16=7.02
1.8у=7.02-2.16
1.8у=4.86
у=4.86:1.8
у=2.7
2,7а+3,6а-1,8а=36,9
4.5а=36.9
а=36.9:4.5
а=8.2
41,2у-28,7у=1
12.5у=1
у=1:12.5
у=0.08
(у-32,6)*2,4=1,8
2.4у-78.24=1.8
2.4у=1.8+78.24
2.4у=80.04
у=80.04:2.4
у=33.35
3,4х+1,8х=43,16
5.2х=43.16
х=43.16:5.2
х=8.3