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a fost răspuns

1) x+4 <_ 7 2)2*(x-2)<_10 3) (x+4)*6-24<_12 4) (x+2)*3-45<_15

Răspuns :

Cory09
x+4<_7=>x<_7-4 =>x<_3
(X-2)<_10=>x-2<_10=>x<_10+2=>x<_12
(x+4)x6-24<_12=> 6x+24-24<_12=> 6x<_12=>x<_12:6=>X<_2

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