3р + 5 = 8р - 155 = 8р - 3р - 155 = 5р - 155 + 15 = 5р20 = 5рр = 4
0.7x - 1.82 = 0.8x + 3.460.7x - 0.8x = 3.46 + 1.82-0.1x = 5.28x = -52.8
0.18x - 3.54 = 0.19x - 2.890.18x - 0.19x = -2.89 + 3.54-0.01x = 0.65x = -65
2 - 3(x + 2) = 5 - 2x2 - 3x - 6 = 5 - 2x-4 - 3x = 5 - 2x-4 + 5 = 2x - 3x1 = -xx = -1
4x - 5.5 = 5x - 3(2x - 1.5)4x - 5.5 = 5x - 6x + 4.54x - 5.5 = -x + 4.54x + x = 5.5 + 4.55x = 10x = 2
4(3 - 2x) + 24 = 2(3 + 2x)12 - 8x + 24 = 6 + 4x36 - 8x = 6 + 4x36 - 6 = 8x + 4x30 = 12xx = 2.5
0.9(4x - 2) = 0.5(3x - 4) + 4.43.6x - 1.8 = 1.5x - 2 + 4.43.6x - 1.5x = 2 + 4.4 + 1.82.1x = 8.2x ≈ 3.904
3р + 5 = 8р - 15
5 = 8р - 3р - 15
5 = 5р - 15
5 + 15 = 5р
20 = 5р
р = 4
0.7x - 1.82 = 0.8x + 3.46
0.7x - 0.8x = 3.46 + 1.82
-0.1x = 5.28
x = -52.8
0.18x - 3.54 = 0.19x - 2.89
0.18x - 0.19x = -2.89 + 3.54
-0.01x = 0.65
x = -65
2 - 3(x + 2) = 5 - 2x
2 - 3x - 6 = 5 - 2x
-4 - 3x = 5 - 2x
-4 + 5 = 2x - 3x
1 = -x
x = -1
4x - 5.5 = 5x - 3(2x - 1.5)
4x - 5.5 = 5x - 6x + 4.5
4x - 5.5 = -x + 4.5
4x + x = 5.5 + 4.5
5x = 10
x = 2
4(3 - 2x) + 24 = 2(3 + 2x)
12 - 8x + 24 = 6 + 4x
36 - 8x = 6 + 4x
36 - 6 = 8x + 4x
30 = 12x
x = 2.5
0.9(4x - 2) = 0.5(3x - 4) + 4.4
3.6x - 1.8 = 1.5x - 2 + 4.4
3.6x - 1.5x = 2 + 4.4 + 1.8
2.1x = 8.2
x ≈ 3.904