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Valeriasoronga9
a fost răspuns

25x-14<17x+11
28x+15>12x+7

43x-16<39x+8
57x+42>55x+64

Răspuns :

Renatemambouko
25x-14<17x+11
8x<25
x<25/8

28x+15>12x+7
16x>-8
x>-8/16
x>-1/2

43x-16<39x+8
4x<24
x<6

57x+42>55x+64
2x>22
x>22/2
x>11

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