aubriedunn
aubriedunn aubriedunn
  • 10-01-2022
  • Mathematics
contestada

-4x + y = 6
-5x - y = 21
How do I solve this?

Respuesta :

herbjuice
herbjuice herbjuice
  • 10-01-2022

Answer:

(-3, -6)

Step-by-step explanation:

Answer Link
meatssisgood
meatssisgood meatssisgood
  • 10-01-2022

Answer:

X = -3, Y = -6

Step-by-step explanation:

To solve this equation, you can use the elimination method.

Since both of the y's cancel out, you are left with -9x=27 (after subtracting the x values)

In the equation -9x=27, you divide both sides by -9 to get that x = -3

If you plug the x-value back into the first equation, you get -4(-3)+y=6

-4(-3)+y=6

12 + y = 6

Subtract both sides by 12 to get the y-value alone

y=-6

Answer Link

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