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leksin05
@leksin05
August 2022
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Решите уравнение:
2x+9=13-x
14-y=19-11y
0,5a+11=4-3a
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Ghenya
Verified answer
2x+9=13-x
3x=13-9
3x=4
x= 4/3 (дробь)
.
14-y=19-11y
-y+11y=19-14
10y=5
y=1/2
.
0.5a+11=4-3a
0.5a+3a=4-11
3.5a=-7
a=-2
2 votes
Thanks 4
BuWeHKa
1) 2x + 9 = 13 - x,
2х + х = 13 - 9,
3х = 4,
х = 4/3,
х = 1 целая 1/3
2) 14 - y = 19 - 11y,
-у + 11у = 19 - 14,
10у = 5,
у = 0,5
3) 0,5a + 11 = 4 - 3a,
0,5а + 3а = 4 - 11,
3,5а = -7,
а = -2
Удачи))
0 votes
Thanks 1
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Answers & Comments
Verified answer
2x+9=13-x3x=13-9
3x=4
x= 4/3 (дробь)
.
14-y=19-11y
-y+11y=19-14
10y=5
y=1/2
.
0.5a+11=4-3a
0.5a+3a=4-11
3.5a=-7
a=-2
2х + х = 13 - 9,
3х = 4,
х = 4/3,
х = 1 целая 1/3
2) 14 - y = 19 - 11y,
-у + 11у = 19 - 14,
10у = 5,
у = 0,5
3) 0,5a + 11 = 4 - 3a,
0,5а + 3а = 4 - 11,
3,5а = -7,
а = -2
Удачи))