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alima0252
@alima0252
August 2022
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Решите уравнение:
1) 5х - 4,5 = 3х +2,5
2) 2х + 7 = 3х-2(3х-1)
Срочно!!!!!!!!!!!!
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Answers & Comments
arai2101
5х-3х=4.5+2.5
2х=7
х=3,5
2х+7=3х-2(3х-1)
2х+7=3х-6х+2
2х-3х+6х=-7-2
5х=-5
х=-1
0 votes
Thanks 0
А1002
1) 5х-3х=2,5+4,5
2х=7
х=3,5
2)2х+7=3х-6х+2
2х-3х+6х=2-7
5х=-5
х=-5:5
х=-1
0 votes
Thanks 0
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Answers & Comments
2х=7
х=3,5
2х+7=3х-2(3х-1)
2х+7=3х-6х+2
2х-3х+6х=-7-2
5х=-5
х=-1
2х=7
х=3,5
2)2х+7=3х-6х+2
2х-3х+6х=2-7
5х=-5
х=-5:5
х=-1