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1) 3 * ( 5 ( 2/9 ) y + 3 ( 1/3 ) ) = 3 * ( ( 47/9 ) y + ( 10/3 )) = ( 47/3 ) y + 10
2) ( 47/3 ) y + 10 - 7 ( 2/3 ) y = ( 47/3 ) y + 10 - ( 23/3 ) y = ( 24/3 ) y + 10 = 8y + 10
2) y = 3 (1/8 ) = ( 25/8 )
8 * ( 25/8 ) + 10 = 25 + 10 = 35
3) y = 1,4
8 * 1,4 + 10 = 11,2 + 10 = 21,2
