Предмет: Алгебра, автор: Аноним

0,4+3=0,2(3x+1)-x спасибоо

Ответы

Автор ответа: Luluput

0

$0,4+3=0,2(3x+1)-x$
$0,4+3=0,6x+0,2-x$
$3,4=-0,4x+0,2$
$0,4x=0,2-3,4$
$0,4x=-3,2$
$x=-3,2:0,4$
$x=-8$

Ответ: -8

Автор ответа: Matemat1k1999

0

Приветствую Вас!
0,4+3=0,2(3x1)-x
3,4=0,2(3x+1)-x
3,4=-0,4x+0,2
0,2+0,4x=3,4
-0,4x=3,2
x=-8
Ответ:-8

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