Question

(2/9-5/12х)*9-2=15
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ДРОБИ

Answer 1

(2/9 - 5/12х) *9-2= 15
(2/9 - 5/12х) *9= 15-2
(2/9 - 5/12х)*9=13
(2/9 - 5/12х)= 13:9
(2/9-  5/12х)= 1 4/9  (1 целая 4 девятых)
-5/12х= 1 4/9 ( 1 целая 4 девятых) - 2/9
-5/12х= 1 2/9 (1 целая 2 девятых) 
 х= 1 2/9( 1 целая 2 девятых) : ( - 5/12)
 х= 5/9 ( 5 девятых)