Question

Решите уравнение :
-0,4(1,5x-2)=1-0,5(2x+1)

Answer 1

$-0.4(1.5x-2)=1-0.5(2x+1)$

$-0.6x+0.8=1-x-0.5$

$-0.6x+x=1-0.5-0.8$

$0.4x=-0.3$

$4x=-3$

$x=-3:4$

$x=-0.75$

Ответ:  $-0.75$

Answer 2

-0,4(1,5x-2)=1-0,5(2x+1)
-0.6x+0.8=1-x-0.5
-0.6x+x=0.5-0.8
0.4x= -0.3
x= -0.75