1)2.9х-1.1х=5.04
1.8х=5.04
х=2.8
2)0.8(х-1.9)=0.56
0.8х-1.52=0.56
0.8х=2.08
х=2.6
3)7х+9х+0.32=2.72
16х+0.32=2.72
16х=2.4
х=0.15
4)5у+7у-0.024=0.204
12у=0.228
у=0.019
5)0.11х+0.08х=45.6
0.19х=45.6
х=240
6)0.8(100-0.04х)=8.64
80-0.032х=8.64
-0.032х=-71.36
х=2230
7)17(5х-0.16)=0.238
85х-2.72=0.238
85х=2.958
х=0.0348
2.9х-1.1х=5.04
1,8x=5,04
x=2,8
0.8(х-1.9)=0.56
0,8x-1,52=0,56
x=2,6
2.4х-1.5х+47=0
0,9x=-47
x=-52,2
7х+9х+0.32=2.72
16x=2,4
x=0,15
5у+7у-0.024=0.204
12y=0.228
y=0,019
0.11х+0.08х=45.6
0,19x=45,6
x=240
0.8(100-0.04х)=8.64
80-0,032x=8,64
-0,032x=-71,36
x=2230
17(5х-0.16)=0.238
85x-2,72=0,238
85x=2,958
x=0,0348
1)2.9х-1.1х=5.04
1.8х=5.04
х=2.8
2)0.8(х-1.9)=0.56
0.8х-1.52=0.56
0.8х=2.08
х=2.6
3)7х+9х+0.32=2.72
16х+0.32=2.72
16х=2.4
х=0.15
4)5у+7у-0.024=0.204
12у=0.228
у=0.019
5)0.11х+0.08х=45.6
0.19х=45.6
х=240
6)0.8(100-0.04х)=8.64
80-0.032х=8.64
-0.032х=-71.36
х=2230
7)17(5х-0.16)=0.238
85х-2.72=0.238
85х=2.958
х=0.0348
2.9х-1.1х=5.04
1,8x=5,04
x=2,8
0.8(х-1.9)=0.56
0,8x-1,52=0,56
x=2,6
2.4х-1.5х+47=0
0,9x=-47
x=-52,2
7х+9х+0.32=2.72
16x=2,4
x=0,15
5у+7у-0.024=0.204
12y=0.228
y=0,019
0.11х+0.08х=45.6
0,19x=45,6
x=240
0.8(100-0.04х)=8.64
80-0,032x=8,64
-0,032x=-71,36
x=2230
17(5х-0.16)=0.238
85x-2,72=0,238
85x=2,958
x=0,0348