Помогитее!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(4 3/8 х + 5 1/16) * 4/15 = 5/12х + 2 2/5
1 1/6 х + 1 7/20 = 5/12х + 2 2/5
1 1/6 х -5/12 х = 2 2/5 - 1 7/20
14/12 х - 5/12 х = 2 8/20 - 1 7/20
3/4 х = 1 1/20
х = 1 1/20 : 3/4
х = 21/20 * 4/3
х=7/5
х=1 2/5
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