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ecuati:

6x+3<4x+11


3(x+2) mai mic sau egal 2x+14

12(x+5)>5(2x+4)

2x-1 mai mare sau egal x+1


Răspuns :

a)6x+3<4x+11
6x-4x<11-3
2x<8
x<8:4
x<2
b)3(x+2)<_2x+14
3x+6<_2x+14
3x-2x<14-6
x<_8
c)12(x+5)>5(2x+4)
12x+60>10x+20
12x-10x>60-20
2x>40
x>40:2
x>20
d)2x-1>_x+1
2x-x>_1+1
x>_2