SaydiG258606 SaydiG258606

03-11-2022
Mathematics

contestada

Solve the system of equations by any method. -2x + 8y = 14 x – 4y= -7

Respuesta :

KharmenJ172818 KharmenJ172818

03-11-2022

-2x+8y = 14 (a)

x-4y = -7 (b)

Multiply (b) by 2 and add both equations:

-2x + 8y = 14

2x -8y = -14

___________

0 = 0

Since both variables were eliminated there is an infinite number of solutions.

Answer Link

Otras preguntas

Identify two effects if the glorious revolution on the English monarchy

Which of the following is a common characteristic among economies of the southern colonies? A. The southern economies were characterized by shipbuilding and co

{QUESTION} Who is the author of "WERE THE RED FERN GROWS"??

Need help. Steps and explanation also if possible. #54

Why does the author of federalist #51 call the u.s. a 'compound republic,' and why does he argue that this creates a 'double security' for the 'rights of the pe

Sam spun a spinner that is evenly spaced and numbered from 1 to 10. When it stopped, Sam spun it again. What is the probability that the spinner stopped on a n

Which graph best shows the general relationship between altitude and temperature in the troposphere?

15. What did the boy Krishna do to prove his bravery?

what is the prefix in the word foresaw

Harriet earns the same amount of money each day. Her gross pay at the end of 7 work days is 35h + 56 dollars. Which expression represents her gross pay each day