решите уравнения 16-3x=4-7x 17-4x=5-6x 6+х=3х-2. Created by olegkozlov1307. matematika-ru

решите уравнения 16-3x=4-7x 17-4x=5-6x 6+х=3х-2...

anatol4 16-3x=4-7x
-3x+7x=4-16
4x=-12
x=-3
17-4x=5-6x
-4x+6x=5-17
2x=-12
x=-6
6+x=3x-2
x-3x=-2-6
-2x=-8
x=4

1 votes Thanks 2

KpekepLOL 16-3х=4-7х
-3х+7х=4-16
4х= -12
х= -12:4
х= -3
ОТВЕТ: -3

17-4х=5-6х
-4х+6х=5-17
2х= -12
х= -12:2
х= -6
ОТВЕТ: -6

6+х=3х-2
х-3х= -2-6
-2х= -8
х= -8:(-2)
х= 4

2 votes Thanks 1

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