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margosha11
@margosha11
August 2022
1
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Помогите пожалуйста решить уравнения:
[tex](6+1 \frac{1}{15}x)*2,5=30[/tex]
[tex]5 \frac{3}{5}x-2,3x=0,108[/tex]
[tex] (y+3,48)-2,94=6,5[/tex]
Заранее спасибо=))
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triolana
Verified answer
(6+1 1/15х)*2,5=30
6+1 1/15х=30:2,5
6+1 1/15х=12
1 1/15х=12-6
1 1/15х=6
х=6: 1 1/15
х=5целых 5/8 или 5,625
===========================
5 3/5-2,3х=0,108
2,3х=5 3/5-0,108
2,3х=5,492
х=5,492:2,3
х=2целых 223/575
====================
(у+3,48)-2,94=6,5
у+3,48=6,5+2,94
у+3,48=9.44
у=9.44-3,48
у=5.96
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Answers & Comments
Verified answer
(6+1 1/15х)*2,5=306+1 1/15х=30:2,5
6+1 1/15х=12
1 1/15х=12-6
1 1/15х=6
х=6: 1 1/15
х=5целых 5/8 или 5,625
===========================
5 3/5-2,3х=0,108
2,3х=5 3/5-0,108
2,3х=5,492
х=5,492:2,3
х=2целых 223/575
====================
(у+3,48)-2,94=6,5
у+3,48=6,5+2,94
у+3,48=9.44
у=9.44-3,48
у=5.96