Question

x+(x+5)+(x+5)×5=555
x=???

Answer 1

Ответ:

x = 75

Пошаговое объяснение:

x + (x + 5) + (x + 5) * 5 = 555

x + x + 5 + 5x + 25 = 555

7x + 30 = 555

7x = 555 - 30

7x = 525

x = 75