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

Which is a complete sentence? A. Interesting town of Dolores, next to the San Juan National Forest. B. Explore six Pueblo sites in four states. C. Streaked
what is 7 times the square root of 96m^3
what is the purpose for an organizational structure in health care facility
A jeweler is heating a bar if gold. It takes 7 joules of heat to raise temperture if the bar 1degrees celsuisThe initial temperture of the bar is 25degress cels
what were the main affirmations of the declaration of the rights of man and the citizen
6y-5=11 what is y PLEASE HELP
Dry ice, or solid carbon dioxide, has the molecular formula CO2. How should you classify it? element compound mixture colloid suspension
0.327 rounded to the nearest hundredths
The state of matter that keeps its shape and volume when it is placed in a different container
Explain how the value of the 7 in 327,902 will change if you move it to the tens place