Gudg7ovniya3hcamp
Gudg7ovniya3hcamp Gudg7ovniya3hcamp
  • 23-07-2016
  • Mathematics
contestada

solve the following system of equations by linear combination: 5x 2y = 14 y = x – 7

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 23-07-2016
I would use subsitution
y=x-7
sub x-7 for every x
5x+2(x-7)=14
5x+2x-14=14
add 14 to both sides
7x=28
divide both sides by 7
x=4
sub
y=x-7
y=4-7
y=-3

x=4
y=-3
(4,-3)
Answer Link
keitaronagame2219
keitaronagame2219 keitaronagame2219
  • 23-05-2022

Answer:

(–3, 4)

Step-by-step explanation:

-3= 4 - 7

4-7 =-3

Answer Link

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