Question

подскажите,решите как делать

Answer 1

10^-2 x 10^3x + 5^2 - x = 2 x 25

10x + 5^2 - x = 50

10x + 5^2 - x = 50

9x + 25 = 50

9x = 50 - 25

9x = 25

x = 259 = 2 79