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lol612927
@lol612927
May 2023
2
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срочео помогите! надо 3 уровнения!
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Danrus110
Ответ:
1) x = 0,3
2) x = 0,6
3) x = -2 1/3
0 votes
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lol612927
а решение где?
soulfaca
Verified answer
37.
4=7-6(5x-1)
4=7-30x+6
-30x=4-7-6
-30x=-9|:(-30)
x= 0.3
38.
5=12-5(4x-1)
5=12-20x+5
-20x=5-12-5
-20x=-12:|(-20)
x=0.6
39.
8-5(8+3x)=14
8-40-15x=14
15x=8-40-14
15x=-48|:15
x=-3.2
2 votes
Thanks 1
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Answers & Comments
Ответ:
1) x = 0,3
2) x = 0,6
3) x = -2 1/3
Verified answer
37.4=7-6(5x-1)
4=7-30x+6
-30x=4-7-6
-30x=-9|:(-30)
x= 0.3
38.
5=12-5(4x-1)
5=12-20x+5
-20x=5-12-5
-20x=-12:|(-20)
x=0.6
39.
8-5(8+3x)=14
8-40-15x=14
15x=8-40-14
15x=-48|:15
x=-3.2