1) -1.4(x-6) = 7(4x+1.2)-1.4x + 8.4 = 28x + 8.48.4 = 28x + 1.4x8.4 = 29.4xx = 8.4 / 29.4x = 0.2857
2) 2.6(0.4x-1.4) = -3.9(1.2x-0.9)1.04x - 3.64 = -4.68x + 3.511.04x + 4.68x = 3.51 + 3.645.72x = 7.15x = 7.15 / 5.72x = 1.25
Ответ: x = 0.2857 и x = 1.25
1) -1.4(x-6) = 7(4x+1.2)
-1.4x + 8.4 = 28x + 8.4
8.4 = 28x + 1.4x
8.4 = 29.4x
x = 8.4 / 29.4
x = 0.2857
2) 2.6(0.4x-1.4) = -3.9(1.2x-0.9)
1.04x - 3.64 = -4.68x + 3.51
1.04x + 4.68x = 3.51 + 3.64
5.72x = 7.15
x = 7.15 / 5.72
x = 1.25
Ответ: x = 0.2857 и x = 1.25