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2 (x+1)+3(x-2)< x+4
2x+2+3x-6<x+4
2x+3x-x<4-2+6
4x<8
x<2
b)
3(x-5)-2(3x-1) > -5x-7
3x-15-6x+2>-5x-7
3x-6x+5x>-7+15-2
2x>6
x>3
2x +3x -x< 4-2+6
4x<8/4
x<2
3x-15-6x+2>-5x-7
3x-6x+5x>-7+15-2
2x>6/2
x>3
2x+2+3x-6<x+4
2x+3x-x<4-2+6
4x<8/4
x<2
b.3(x-5)-2(3x-1)>-5x-7
3x-15-6x+2>-5x-7
3x-6x+5x>-7+15-2
2x>6/2
x>3
jak coś to pisz do mnie ;)