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kennira
@kennira
July 2022
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Решите плизик !!! а)2х-3=4
Б)6х-2х+1=5
В)5- 2/5(-это дробь)х=11
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AnnBernstein
А)
2х-3=4
2x=4+3
2x=7
x=7/2
x=3,5
б)
6х-2х+1=5
6x-2x=5-1
4x=4
x=4/4
x=1
в)
5-2/5х=11
-2/5x=11-5
-2/5x=6
x=6/(2/5)
x=15
5 votes
Thanks 3
toptyanka1
2x-3=4
2x=3+4
2x=7
x=7÷2
x=3.5
Ответ:x=3.5
6x-2x+1=5
4x+1=5
4x=5-1
4x=4
x=4÷4
x=1
Ответ:1
5-2/5x=11
2/5x=5-11
2/5x=(-6)
x=(-6)÷2/5
x=15
Ответ:x=15
ставь СПАСИБКИ
5 votes
Thanks 12
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Answers & Comments
2x=4+3
2x=7
x=7/2
x=3,5
б) 6х-2х+1=5
6x-2x=5-1
4x=4
x=4/4
x=1
в) 5-2/5х=11
-2/5x=11-5
-2/5x=6
x=6/(2/5)
x=15
2x=3+4
2x=7
x=7÷2
x=3.5
Ответ:x=3.5
6x-2x+1=5
4x+1=5
4x=5-1
4x=4
x=4÷4
x=1
Ответ:1
5-2/5x=11
2/5x=5-11
2/5x=(-6)
x=(-6)÷2/5
x=15
Ответ:x=15
ставь СПАСИБКИ