kat4836 kat4836

07-11-2019
Mathematics

contestada

Use the elimination method to solve the system of equations. Choose the
correct ordered pair
2x + 4y = 16
2x - 4y = 0
A. (2. -4)
B. (4,-2)
C. (2,4)
D. (4,2)

Respuesta :

samrachana1 samrachana1

07-11-2019

Answer:

D. (4,2)

Step-by-step explanation:

2x=16 - 4y...1st

+2x=0+ 4y. ..2nd

4x=16+0

x=16/4

x=4

now , substitute the value of X in equation 2

2x -4y=0

2×4-4y=0

8=4y

y=8/4

y=2

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