Решите уравнения 3а + 8a = 1,87 , 7z - 3z = 5,12 , 2t + 5t + 3,18 = 25,3

3а + 8а = 1,8711а = 1,87а = 1,87 / 11 а = 0,177z - 3z = 5.124x = 5.12x = 5.12 / 4x = 1.282t + 5t + 3.18 = 25.37t = 25.3 - 3.187t = 22.12t = 22.12 / 7 t = 3.16

11а=1.87а=1.87/11а=0.17