Решить 25-4Х=12-5Х 5-3Х=2Х-8

Question

Решить 25-4Х=12-5Х
5-3Х=2Х-8

Answer 1

25-4x = 12 - 5x
25 - 12 = 4x - 5x
13 = x

5-3x = 2x -8
5 + 8 = 2x + 3x
13 = 5x
13/5 = x
2,6 = x