( 2Х / 3 ) + ( Х / 4 ) > ( X - 1 )
( 8X + 3X ) > 12 * ( X - 1 )
11X > 12X - 12
- X > - 12
X < 12
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[ ( X + 1 ) / ( - 2 ) ] < ( X - 1 ) / ( - 3 ) + X
[ ( X + 1 ) / ( - 2 ) ] < ( X - 1 - 3X ) / ( - 3 )
( X + 1 ) / ( - 2 ) < ( - 2X - 1 ) / ( - 3 )
- 3 * ( X + 1 ) < ( - 2 ) * ( - 2X - 1 )
- 3X - 3 < 4X + 2
- 3X - 4X < 2 + 3
- 7X < 5
X < ( - 5/7 )
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( - ) ( + ) ( - )
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- 5/7 12
Ответ ( - 5/7; 12 )