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Meryzaharia63
a fost răspuns

c)-3x-5<2(×+3)+9;d)3(x+7)<sau egal 2(x-5); ​

Răspuns :

Petrescusofia3

c). -3x - 5 < 2(x +3) +9

- 3x - 5 < 2x + 15

-3x -2x < 15 + 5

-5 x < 20

x < -4

d). 3(x+7) < 2(x -5)

3x+21 < 2x - 10

3x -2x < -10 -21

-x < -31

x< 31

SUCCES!!!!

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