Question

как решить уравнение 5х=4*(х+0.2)

Answer 1

5х=4х+0.8
5х-4х=0.8
х=0.8

Answer 2

5x = 4*(x+0.2)
5x = 4x + 0.8
5x - 4x = 0.8
x = 0.8
Ответ: 0.8