tuckeralexandria08 tuckeralexandria08

24-11-2021
Mathematics

contestada

I NEED THE ANSWER ASAP

Find the solution to the following system by substitution.

2x + y = 20
y = 2x

A. (10,0)
B. (0,20)
C. (5, 10)
D. (10, 20)

Respuesta :

lannah37 lannah37

24-11-2021

The answers are A and c

Answer Link

doomdabomb doomdabomb

24-11-2021

Answer:

(5, 10)

Step-by-step explanation:

2x + y = 20

y = 2x

2x + 2x = 20

4x = 20

x = 20/4

x = 5

2(5) + y = 20

10 + y = 20

y = 10

Solution: (5, 10)

Answer Link

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