courtlady25 courtlady25
  • 08-04-2020
  • Mathematics
contestada

x + 8y = 18 and — 5x + 3y = -4

Respuesta :

juls1816 juls1816
  • 08-04-2020
X+8y=18
-5x+3y=-4

Multiply the first equation by 5
Add the two equations together

5x+40y=90
-5x+3y=-4
43y=86
Y=2

Plug y into one equation to find x
X+16=18
X=2
Answer Link
ethanhuang0808
ethanhuang0808 ethanhuang0808
  • 05-05-2020

X+8y=18

-5x+3y=-4

Multiply the first equation by 5

Add the two equations together

5x+40y=90

-5x+3y=-4

43y=86

Y=2

Plug y into one equation to find x

X+16=18

X=2

Answer Link

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