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a) 3x - 18 . 28 : 14 = 308 b) 38 + /x/ = ( -12 ) +65 c) 15 +3 ( x-1) : 5 = 30 d) 5. ( 7-3x ) + 7. ( 2+2x ) = 1 e ) 3. / x - 7 ) =21 g) [( 6x - 72 ) : 2 - 84 ] : 28 =5628 h) 123 - 5( x+4 ) = 28 p) 14 ( x - 3 ) - 138 = 73 t) /x/ - 5 = 2 v) 4x - 72 = /100 - 8 . 25 /
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