Question

Решите уравнение 1/5(2х+6)=4(х+3)

Answer 1

0,2(2х+6)=4х+12
0,4х+1,2=4х+12
0,4х-4х=12-1,2
-3,6х=10,8

Answer 2

1/5*2x + 1/5*6 = 4x+12
2/5x + 6/5 = 4x + 12
2/5x - 4x =  12 - 6/5
- 3,6x = 10,8
x = 3