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5(3-x)+1 > 2(x-6)+4
15-5x+1 > 2x-12+4
-5x-2x > -8-16
-7x > -24 /:(-7)
x<24/7
x<3³/₇
b)
-2(1-x)+3(x-1) > -4(x-1)
-2+2x+3x-3 > -4x+4
5x+4x > 4+5
9x > 9
x > 1
II sposob:
2(x-1)+3(x-1) > -4(x-1)
(x-1)*(2+3+4) >0 /:9
x-1>0
x>1