1.8x + 0.5 + 0.1x + 17 + 0.4x = 9.1
1,8x + 0,1x + 0,4x = 9,1 – 17 – 0,5
2.3x = -8.4
23x = -84
x = -84/23
х=3,65217391304
1.8x + 0.5 + 0.1x + 17 + 0.4x = 9.1
1,8x + 0,1x + 0,4x = 9,1 – 17 – 0,5
2.3x = -8.4
23x = -84
x = -84/23
х=3,65217391304