chucho47dominguez77 chucho47dominguez77
  • 03-03-2020
  • Mathematics
contestada

Solution for x=5-y and x+y=15

Respuesta :

samara101
samara101 samara101
  • 04-03-2020
it might be no solution:

steps-

x=5-y
x+y=15

substitute the x(which is the top problem) into the second one.

(5-y)+y=15

cancel it out

(5-y)+y=15
-5. -5

a negative plus a positive is gonna equal 0

-y+y=15-5

0=10

that is no solution..
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