rozwiąż nierówności ; a) 5 - ( 1 - 3x ) + 2x < 3 (2 - 7x ) + 2 (4x + 11 ) b)3 ( b - 1 ) + 4b > 4 (3b + 2 ) - 1 Daje NAJ !!!!!!
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a) 5 - ( 1 - 3x ) + 2x < 3 (2 - 7x ) + 2 (4x + 11 )
5-1+3x+2x < 6-21x+ 8x+22
4+5x <- 13x + 28
-24< -18x
x>4/3
b)3 ( b - 1 ) + 4b > 4 (3b + 2 ) - 1
3b-3+4b>12b+8-1
-3-8+1>12b-7b
-10>5b
b>-2