1)4(x-1) = 2(2x-8) + 12
4x- 4=4x-16+12
4x-4x=-16+12+4
X=0
X-любое число
2) 7(4x-1)=6-2(3-14x)
28x-7=6-6+28x
28x-28x=6-6+7
X=7
1)4(х-1)=2(2х-8)+12
4х-4=4х-16+12
4х-4х=16+12+4
х=32
2)7(4х-1)=6-2(3-14х)
28х-7=4(3-14х)
28х-7=12-56х
28х+56х=12+7
84х=19
х=84:19
х=4,421.
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Answers & Comments
1)4(x-1) = 2(2x-8) + 12
4x- 4=4x-16+12
4x-4x=-16+12+4
X=0
X-любое число
2) 7(4x-1)=6-2(3-14x)
28x-7=6-6+28x
28x-28x=6-6+7
X=7
1)4(х-1)=2(2х-8)+12
4х-4=4х-16+12
4х-4х=16+12+4
х=32
2)7(4х-1)=6-2(3-14х)
28х-7=4(3-14х)
28х-7=12-56х
28х+56х=12+7
84х=19
х=84:19
х=4,421.