strader21
strader21 strader21
  • 03-02-2021
  • Mathematics
contestada

HELP! solving by substitution-day 2
solve the following system of equations.
{ x=-2y
{ x-y=9
(WORK MUST BE SHOWN)

Respuesta :

testaccountbot
testaccountbot testaccountbot
  • 03-02-2021

Answer:

=2.

Step-by-step explanation: 1:x−y=9 2:2x+2y=2.  Can i get brainliest?

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