1) 0,12+0,76х=0,66(х+1)
0.12 + 0.76x = 0.66x + 0.66
0,76x – 0,66x = 0,66 – 0,12
0.1x = 0.54
x = 5.4
2) 0,005(х+2)=0,007х+0,001(х-5)
0.005x + 0.01 = 0.007x + 0.001x – 0.005
0,005x – 0,007x – 0,001x = – 0,005 – 0,01
-0.003x = -0.015
x = 5
1) 0,12+0,76х=0,66(х+1)
0.12 + 0.76x = 0.66x + 0.66
0,76x – 0,66x = 0,66 – 0,12
0.1x = 0.54
x = 5.4
2) 0,005(х+2)=0,007х+0,001(х-5)
0.005x + 0.01 = 0.007x + 0.001x – 0.005
0,005x – 0,007x – 0,001x = – 0,005 – 0,01
-0.003x = -0.015
x = 5