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Use the substitution method to solve the given system of equations. Write
your answer as an ordered pair, (x, y).
y - x = 4
6y + 2x = 4
Please help I can’t get any wrong

Use the substitution method to solve the given system of equations Write your answer as an ordered pair x y y x 4 6y 2x 4 Please help I cant get any wrong class=

Respuesta :

samuelthankgod

Answer:

(-5/2 , 3/2)

Step-by-step explanation:

y=4+x

6(4+x) + 2x= 4

24 + 6x + 2x= 4

24 + 8x= 4

8x =4 - 24

8x=-20

x= -20/8= -5/2

y-(-5/2)=4

y+5/2= 4

multiply throughout by 2 to clear out fraction

2y + 5= 8

2y= 8-5

2y=3

y=3/2

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