Помогите с уравнениями 1)x-8/15x= 4.1/5 2)(7.1y-y): 0.6=3.05. Created by skvix. matematika-ru

5 2)(7.1y-y): 0.6=3.05...

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Помогите с уравнениями
1)x-8/15x= 4.1/5
2)(7.1y-y): 0.6=3.05

Answers & Comments

prettypushkova

Verified answer

Х - 8/15х = 4 1/5 (7,1у - у) : 0,6 = 3,05
7/15х = 21/5 7,1у - у = 3,05 * 0,6
х = 21/5 : 7/15 6,1у = 1,83
х = 21/5 * 15/7 у = 1.83 : 6,1
х = 3 * 3 у = 0,3
х = 9

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