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yuraivlev3
@yuraivlev3
July 2022
2
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-4х+3=-2х
6+5х=2х+9
-4(3-х)=2х+7
7+3(2х+1)=4
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Answers & Comments
ulik14
1) 1 \frac{1}{3}
2) 1
3) 9 \frac{1}{2}
4) -1
0 votes
Thanks 1
ulik14
Если что \frac{1}{3} это 1/3
ulik14
А \frac{1}{2} 1/2
janeev
1) -4х+3=-2х
3=-2х+4х
3=2х
х=3/2
х=1,5
2) 5х+6=2х+9
5х-2х=9-6
3х=3
х=3/3
х=1
3) -4(3-х)=2х+7
-12+4х=2х+7
4х-2х=7+12
2х=19
х=19/2
х=9,5
4) 7+3(2х+1)=4
7+6х+3=4
6х=4-3-7
6х=-8
х=-8/6
х=1,3 в периоде
3 votes
Thanks 1
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Answers & Comments
2) 1
3) 9 \frac{1}{2}
4) -1
3=-2х+4х
3=2х
х=3/2
х=1,5
2) 5х+6=2х+9
5х-2х=9-6
3х=3
х=3/3
х=1
3) -4(3-х)=2х+7
-12+4х=2х+7
4х-2х=7+12
2х=19
х=19/2
х=9,5
4) 7+3(2х+1)=4
7+6х+3=4
6х=4-3-7
6х=-8
х=-8/6
х=1,3 в периоде