0,6(4x-12)-0,4(5x - 18). Якщоx =4 1/6

Question

0,6(4x-12)-0,4(5x - 18). Якщоx =4 1/6

Answer 1

2,4х-7,2-2х+7,2=4 1/6
0,4х=4 1/6
Х=25/6:2/5=25/6*5/2=125/12=10 5/12

Answer 2

=2,4х-7,2-2х+7,2=0,4х
0,4*4 1/6=2/5*25/6=5/3=1 2/3