1) 0,12+0,76x=0,66(x+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(x+2)=0,007x+0,01(x-5)
0.005x + 0.01 = 0.007x + 0.01x – 0.05
0,005x – 0,007x – 0,01x = – 0,05 – 0,01
-0.012x = -0.06
x = 5
1) 0,12+0,76x=0,66(x+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(x+2)=0,007x+0,01(x-5)
0.005x + 0.01 = 0.007x + 0.01x – 0.05
0,005x – 0,007x – 0,01x = – 0,05 – 0,01
-0.012x = -0.06
x = 5