Matematică
alyyy39
2015-11-24 12:16:15
. Stabiliti daca ecuatia: a)-4x=-12 are in N solutia 3 b)2x-1=-9 are in N solutia -4 c)2x-1=-9 are in Z solutia -4 d)-3x+5=x=17 are in N solutia -3 2. Rezolvati in multimea {-2;3;5;0;-6} ecuatia -3x=5=23 3.Rezolvati in multimea numerelor intregi ecuatiia a)x+7=-4 b) x-9=-3 c)x:4+-5 d)1-3x=16 e)7+4x=3 f)1=7x=-69 g)4x-20=0 h)2x-1=15 i)4x+3=3x+5 j)3x-4=-x+12 k)-x+9=x+13 l) 3+7x=-67-3x Cere detalii
Răspunsuri la întrebare
SerbanSerban
2015-11-24 13:38:18

sper ca am scris destul de mare

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