Can4uhbJ6vina Can4uhbJ6vina

11-12-2016
Mathematics

contestada

Solve the following system using substitution
x + y =5
x + y= -3

a. (2,3)
b. (3,2)
c. infinitely many solutions
d. no solutions

Respuesta :

11-12-2016

Change x+y=5 to y=5-x
x+5-x=-3
0=-8
The answer is no solution. :)

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mathssydney mathssydney

11-12-2016

If left sides of equation equal (and they are same) - right must also be equal

If no - there is no solutions

Answer Link

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