Question

Помогите пожалуйста с номером 807

Answer 1

=
 (х + 3  5/14) : 5  5/8 = 8 2/15 - 7  1/3
(х+ 3  5/14) : 5  5/8=1+ (2/15 -1/3)=1+(2/15-5/15)=1-3/15=12/15= 4/5
х + 3  5/14 = 4/5 * 5  5/8 = 4/5 * 45/8 = 9/2 = 4  1/2
х + 3  5/14 = 4  1/2
х = 4  1/2 - 3  5/14 = 1 + (1/2 - 5/14) = 1 + (7/14 - 5/14) = 1  2/14 = 1  1/7
х = 1  1/7