1,8(x-0,2)+2,4x=2,16
1.8x – 0.36 + 2.4x = 2.16
1,8x + 2,4x = 2,16 + 0,36
4.2x = 2.52
x = 0.6
0,8(x-0,3)+0,3x=3,28
0.8x – 0.24 + 0.3x = 3.28
0,8x + 0,3x = 3,28 + 0,24
1.1x = 3.52
x = 3.2
1,2x+(x-1,3)0,8=5,96
раскроем скобки
1.2x+0.8x-1.04 = 5.96
2x-7 = 0
2x = 7
x = 7/2
х=3,5
1,8(x-0,2)+2,4x=2,16
1.8x – 0.36 + 2.4x = 2.16
1,8x + 2,4x = 2,16 + 0,36
4.2x = 2.52
x = 0.6
0,8(x-0,3)+0,3x=3,28
0.8x – 0.24 + 0.3x = 3.28
0,8x + 0,3x = 3,28 + 0,24
1.1x = 3.52
x = 3.2
1,2x+(x-1,3)0,8=5,96
раскроем скобки
1.2x+0.8x-1.04 = 5.96
2x-7 = 0
2x = 7
x = 7/2
х=3,5