Question

Решение уравнение помогите 2(0,6x+1,85)=1,3x+0,7

Answer 1

2(0.6х+1.85)=1.3х+0.7
1.2х+3.7=1.3х+0.7
1.2х-1.3х=0.7-3.7
-0.1х=-3
Х=-3:(-0.1)
Х=30