Question

Решите уравнение 

B) (7,4x - 12,3x) - (1,56 - 2,3x ) = 2,6x  

Answer 1

(7,4х-12,3х)-(1,56-2,3х)=2,6х
7,4х-12,3х-1,56+2,3х-2,6х=0
-5,2х=1,56
х=1,56:(-5,2)
х=-0,3