Question

даю. 20 балов.............
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Answer 1

$6-\frac{5(3,6-x)}{7} =2\\\\6-\frac{18-5x}{7} =2\\\\42-(18-5x)=14\\42-18+5X=14\\24+5X=14\\5x=14-24\\5x= -10\\x= -2$