Question

$0.6 \times (2 x - 3) = 0.4 \times (9 + 3) - 2(x - 0.9)$
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Answer 1

Ответ:

0,6(2х-3)=0,4(9+3)-2(х-0,9)

1,2х-1,8=0,4*12-2х+1,8

1,2х-1,8=6,6-2х

1,2х+2х=6,6+1,8

3,2х=8,4

х=8,4÷3,2

х=2,625