Question

-3(2,1x-4)-4,2=1,2(-5x+0,5)
Помогите решить :)

Answer 1

-25,2х - 4.2= -3х
25.2х+3х=4.2
28.2х=4.2

Answer 2

-3(2,1x-4)-4,2=1,2(-5x+0,5)
-6.3x + 12 - 4.2 + 6x - 0.6 = 0
- 0.3x + 7.2=0
- 0,3x = -7.2
0.3x = 7,2
x=7.2 0.3
x=24
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