Question

решите уравнение 1,2х-0,6=0,8х+27

Answer 1

1.2x-0.6=0.8x+27
1.2x-0.8x=27+0.6
0.4x=27.6
x=27.6/0.4
x=69

Answer 2

1,2х-0,6=0,8х+27; 1,2х-0,8х=0,6+27; 0,4х=27,6; х=69.