gabbylikesmacaroni07
gabbylikesmacaroni07 gabbylikesmacaroni07
  • 24-02-2021
  • Mathematics
contestada

solve for x and y

need help fast.

solve for x and y need help fast class=

Respuesta :

beautifulmind2468
beautifulmind2468 beautifulmind2468
  • 24-02-2021

Answer:

(x, y) = (4, -8)

Step-by-step explanation:

2x - 2y = 24 [tex]$\Rightarrow$[/tex] 4x - 4y = 48

4x + 7y = -40

Subtracting the two equations from each other, we get:

(4x + 7y) - (4x - 4y) = -40 - 48

11y = -88

y = -8.

Then, 2x - 2*(-8) = 24. So, 2x + 16 = 24 [tex]$\Rightarrow$[/tex] 2x = 8[tex]$\Rightarrow$[/tex]x = 4

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Brelynn1210
Brelynn1210 Brelynn1210
  • 24-02-2021
X equals 4, Y equals negative 8
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