(5 2/5-8 2/5 x)/3/4+4 3/5=9 решить уровнение СРОЧНО!!!!!!!. Created by vanyamuromcev. matematika-ru

5=9 решить уровнение СРОЧНО!!!!!!!...

sofiyavictoria 1)(5 2/5-8 2/5*x):3/4=9-4 3/5
(5 2/5-8 2/5*x):3/4=4 2/5
5 2/5-8 2/5*x=4 2/5*3/4=22/5*3/4=33/10=3,3
8,4x=5,4-3,3
8,4x=2,1
x=2,1:8,4
x=0,25

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27/5:3/4-42/5*x:3/4+4 3/5=9

36/5-56/5*х+23/5=9

59/5-56/5*х=9

11 4/5-9=56/5*х

2 4/5=56/5*х. 14/5=56/5*х. х=14/5:56/5. х=14/5*5/56. х=1/4

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