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

Question

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

Answer 1

3а + 8а = 1,87
11а = 1,87
а = 1,87 / 11 
а = 0,17

7z - 3z = 5.12
4x = 5.12
x = 5.12 / 4
x = 1.28

2t + 5t + 3.18 = 25.3
7t = 25.3 - 3.18
7t = 22.12
t = 22.12 / 7 
t = 3.16

Answer 2

11а=1.87
а=1.87/11
а=0.17