Question

. 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

Answer 1

sper ca am scris destul de mare