littlecedrick2202 littlecedrick2202
  • 02-12-2017
  • Mathematics
contestada

How many integer solutions are there to the equation x1+x2+x3=0 if x1,x2,x3 > -5?

Respuesta :

chudung1976
chudung1976 chudung1976
  • 02-12-2017
x1+x2+x3=0 if x1,x2,x3 > -5? 
and the solutions are integer
x1= - 4 and x2+x3=4 we count (-4;4;0), (-4;0;4), (-4;3;1), (-4;1;3), (-4; 2;2), (-4;2;2)
x1= -3 and x2+x3=3 we count (-3; 0;3), (-3;3;0), (-3;1;2), (-3;2;1)
x1= -2 and x2+x3=2 we count (-2;0;2). (-2;2;0), (-2;1;1)
x1= -1 and x2+x3=1 we count (-1;0;1), (-1;1;0)
x1=0 and (0;0;0), (0;1;-1), (0;-1;1)
There are 42 solutions
Have fun
Answer Link

Otras preguntas

.Morgan has just transferred to a new school. She has made some friends, but they are into activities that she generally is not into, like vaping and drinking a
what is the full answer to pie
_____cups flour is equivalent to 1 pound.
What political problem did many latin american countries have upon gaining independence? o many places were still taxed by the colonial powers. o few people had
Which is grammatically correct? 1._______ a. Yo debo a la oficina del médico. b. Yo digo a la oficina del médico. c. Yo me llamo a la oficina del médico. d. Yo
help please!! i need to turn this in
Who was the movie star referenced in the social network.
Pleaseeee helppppp!!!!!!!!!
What atom requires the greatest amount of ionization energy na or mg
# 18 I can solve problems involving e and In. 0.0.15t 3. The expression 1 e models the balance, in thousands of dollars, where t represents time in years after