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b1oh4zardlove
@b1oh4zardlove
August 2022
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Определите вид уравнения и решите его.
1) 5x+7=5+9x
2) x+5=3(x-2)
3)12/x=40/16
4)4/3=2+x/5
Помогите !
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svetazuna
Уравнения с одной переменной:
1.
5х+7=5+9х,
5х-9х=5-7,
-4х=-2,
х = 1/2 (или 0,5),
2.
х+5=3(х-2),
х+5=3х-6,
х-3х=-6-5,
-2х=-11,
х = 5 1/2 (или 5,5),
3.
12/х=40/16,
х=12:40/16,
х=12*16/40,
х = 4 4/5 (или 4,8),
4.
4/3=2+х/5,
3(2+х)=4*5,
6+3х=20,
3х=20-6,
3х=14,
х = 4 2/3
1 votes
Thanks 1
Jujujujujuju
1. 5x-9x=5-7
-4x=2 x=2
2. x+5= 3x -6
x-3x=-6-5
-2x= - 11
x= 5.5
3. 12/x= 40/16| *16
192/x = 40|*x
192=40x
x=4,8
4.
x
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Answers & Comments
1.
5х+7=5+9х,
5х-9х=5-7,
-4х=-2,
х = 1/2 (или 0,5),
2.
х+5=3(х-2),
х+5=3х-6,
х-3х=-6-5,
-2х=-11,
х = 5 1/2 (или 5,5),
3.
12/х=40/16,
х=12:40/16,
х=12*16/40,
х = 4 4/5 (или 4,8),
4.
4/3=2+х/5,
3(2+х)=4*5,
6+3х=20,
3х=20-6,
3х=14,
х = 4 2/3
-4x=2 x=2
2. x+5= 3x -6
x-3x=-6-5
-2x= - 11
x= 5.5
3. 12/x= 40/16| *16
192/x = 40|*x
192=40x
x=4,8
4.
x