a) x + 17,67 = 100 - 63,2 b) x : 7,5 = 3,7 + 4,1 c) 470,04 : x = 24
=> x + 17,67 = 36,8 => x : 7,5 = 7,8 => x = 470,04 : 24
=> x = 36,8 - 17,67 => x = 7,8 x 7,5 => x = 19,585
=> x = 19,13 => x = 58,5
a)
x + 17.67 = 100 - 63.2
x + 17.67 = 36.8
x = 36.8 - 17.67
x = 19.13
b)
x : 7.5 = 3.7 + 4.1
x : 7.5 = 7.8
x = 7.8 x 7.5
x = 58.5
c)
470.04 : x = 24
x = 470.04 : 24
x = 19.585