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

Otras preguntas

if a person did not eat for several days which sequence of events would occur

if a number rounded to the nearest tenth is 10.1, which of the following could be the number?

Peter the Great's main achievement as czar of Russia was to?

the search for solutions to global problems

Can you sweat off a cold or fever?and does it have anything to do with the immune system?

A ten-foot-long board is cut into three pieces. The second piece is half as long as the first. The third piece is 4 feet longer than the second. How long is th

If two animals belong to the same order, are they more or less closely related than two animals who belong to the same family? More Less Equally Not enough info

If y varies inversely as x and y is 2.5 when x is 6, what is y when x is 4?

What operation always joins a number and it's coefficient in an algebraic expression?

the basis for America's foundation in liberty is found in ?