gshreya2005
gshreya2005 gshreya2005
  • 18-08-2018
  • Mathematics
contestada

need help fast thanks!

need help fast thanks class=

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alarmsdisturb alarmsdisturb
  • 18-08-2018

-4x + 11y = 15
-4(2y) + 11y = 15
-8y + 11y = 15
3y = 15
y = 15/3
y = 5
x = 2y
x = 2×5
x = 10

Answer Link
Аноним Аноним
  • 18-08-2018

Hello!

Let's plug our x-value into the first equation and solve for y.

-4(2y)+11y=15

-8y+11y=15

3y=15

y=5

Now, we can plug our y-value into the second equation.

x=2(5)

x=10

Therefore, our solution is below.

[tex] \left \{ {{x=10} \atop {y=5}} \right. [/tex]

I hope this helps!

Answer Link

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