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Tania19
@Tania19
July 2022
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Найти корень уравнения
1)9х-7=6х+14
2)3(4-2х)+6=-2х+4
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Lerovit
А)
9х-7=6х+14
9х-6х=14+7
3х=21
х=21:3
х=7
_______
Ответ: х=7
Б)
3(4-2х)+6=-2х+4
12-6х+6=-2х+4
-6х+2х=4-12-6
-4х=-14
х=-14:(-4)
х=+3,5
_______
Ответ: х=3,5
3 votes
Thanks 8
Tania19
спасибочки:)
Lerovit
=3
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Answers & Comments
9х-6х=14+7
3х=21
х=21:3
х=7
_______
Ответ: х=7
Б)3(4-2х)+6=-2х+4
12-6х+6=-2х+4
-6х+2х=4-12-6
-4х=-14
х=-14:(-4)
х=+3,5
_______
Ответ: х=3,5