Question

решите уравнение :

0.3(x-2)-0.2(x+4)=0.6

Answer 1

0.3(x-2)-0.2(x+4)=0.6
0.3x-0.6-0.2x-0.8-0.6=0

0.1x-1.4-0.6=0

0.1x-2=0

x=2/0.1

x=20