Решите уравнение: 5/11 ×(13-4x)=20 Spasibo

Question

Решите уравнение: 5/11 ×(13-4x)=20
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Answer 1

5/11 ·(13-4х)=20
13-4х=20 · 11/5
13-4х=44
4х=13-44
4х=-31
х=-31/4
х=-7 3/4

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