jakeria18
jakeria18 jakeria18
  • 22-11-2019
  • Mathematics
contestada

How many solutions does this system have?
12x+9y=-36
4x+3y=-12

How many solutions does this system have 12x9y36 4x3y12 class=

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KurdishPotato
KurdishPotato KurdishPotato
  • 22-11-2019

Answer:

C infinitely many solutions

Step-by-step explanation:

multiply second equation by -3

-3 × (4x + 3y) = -12 ➡ -12x - 9y = 36 now add this to second equation

12x + 9y -12x -9y = -36 + 36 ➡0 = 0

we say there's infinite solutions because whatever value you write for x and/or y there will be a solution.

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brynnefox brynnefox
  • 01-04-2020

Answer:

Infinit solutions

Step-by-step explanation:

Answer Link

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