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zazasalka
@zazasalka
August 2022
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Решите, пожалуйста
a) 3(х+2)=-2
б) 2х-4+7,5=1,5x
в) 6(х+3)=-12
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Амангелды11
X+2=3*2
x+2=6
x=6-2
x=4
это а)
1 votes
Thanks 1
zazasalka
cgfcb,j
12anya10
а)3х+6=-2
3х=-2-6
3х=-8
х=-8:3
х=- две целых две третьих
б) 2х-4+7,5=1,5x
2х-1,5х=-7,5+4
0,5х=-3,5
х=-7
в) 6(х+3)=-12
6х+18=-12
6х=-12-18
6х=-30
х=-5
2 votes
Thanks 1
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Answers & Comments
x+2=6
x=6-2
x=4
это а)
3х=-2-6
3х=-8
х=-8:3
х=- две целых две третьих
б) 2х-4+7,5=1,5x
2х-1,5х=-7,5+4
0,5х=-3,5
х=-7
в) 6(х+3)=-12
6х+18=-12
6х=-12-18
6х=-30
х=-5