Question

Bài 1: 12,3-x+4,5=2,3

Answer 1

12.3 - x + 4.5 = 2.3

x + 4.5 = 12.3 - 2.3

x + 4.5 = 10

x = 10 - 4.5

x = 5.5

Answer 2

 12,3-x+4,5=2,3

X + 4,5 = 12,3 - 2,3

X  + 4,5 = 10

X = 10 - 4,5

X= 5,5.