Question

решите уравнение x - 1=0,4x - 25

Answer 1

x - 1=0,4x - 25
x - 0.4x = 1 -25
0.6x = -24
x = -24/0.6 = -40
x =-40

Answer 2

х-0,4х=1-25
0,6х=-24
х=-40