Question

(x-50,6)+2,15=42,9 помогите пажалуста

Answer 1

(x - 50,6) + 2,15 = 42,9,
x - 50,6 = 42,9 - 2,15,
х - 50,6 = 40,75,
х = 40,75 + 50,6
х = 91,35

Answer 2

x-50.6=2.15=42.9
x-48.45=42.9
x=42.9+48.45
x=91.35