Ivrsemq
Ivrsemq Ivrsemq
  • 21-02-2022
  • Mathematics
contestada

find x and y by using substitution
y= -2x+4
y= 6x-20

Respuesta :

iciclepiano18
iciclepiano18 iciclepiano18
  • 21-02-2022

Answer:

x = 3

y = -2

Step-by-step explanation:

Substitute -2x+4 for y:

-2x+4=6x-20

Subtract 6x from both sides

-8x+4=-20

Subtract 4 from both sides

-8x=-24

Divide both sides by -8

x=3

Plug 3 in for x to solve for y:

y=-2x+3=-2(3)+4=-6+4=-2

(x, y)=(3, -2)

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