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margo16640
@margo16640
July 2023
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а) 3х+6=2(2х-7)-х
б) |3х+2|-4=0
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Kormash
Verified answer
а) 3х+6=2(2х-7)-х
3x + 6 = 4x-14-x
3x+6 = 3x-14
6=-14
Твердження хибне, тому ∅
б) |3х+2|-4=0
3х+2 = -4
3х = -4-2
3х = -6
х = -2
____
3х+2 = 4
3х = 4-2
3х = 2
х = 2/3
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Answers & Comments
Verified answer
а) 3х+6=2(2х-7)-х3x + 6 = 4x-14-x
3x+6 = 3x-14
6=-14
Твердження хибне, тому ∅
б) |3х+2|-4=0
3х+2 = -4
3х = -4-2
3х = -6
х = -2
____
3х+2 = 4
3х = 4-2
3х = 2
х = 2/3