anyurintavarez2034 anyurintavarez2034
  • 03-03-2021
  • Mathematics
contestada

What is 13x+4y=487 + -12x-4y=-464 pls show your work

Respuesta :

iiimp6
iiimp6 iiimp6
  • 03-03-2021
13x+4y=487 ------ (1)
6x+2y=232 ------ (2)
Multiply equation 2 by two,
12x+4y=464 ----- (3)
Minus equation 1 by equation 3,
x = 23
Now solve for y,
6(23) + 2y = 232
138 + 2y = 232
2y = 94
y = 47

Hope this helped ;).
Answer Link

Otras preguntas

Identify the equation of the vertical asymptote of g(x)=4x+1/x-3
Quien me allude con esta por favor
A train travels 65 kilometers in 1 hours, and then 71 kilometers in 4 hours. What is its average speed?
You are given two fatlike solid substances and determine that sample a has a higher melting point than sample b. sample a, therefore,
discuss the value of doing "performance evaluation tests" on athletes.
What role do political parties play in organizing government?
What is the value of r in the equation 4r − 8 = 5r + 12? −20 −1 1 20
“If you lived 2000 years ago, which would be the best to own: a horse, a cow, or a dozen chickens? Why?”
Which main groups supported Mussolini’s effort to overthrow the government in Italy?
Which of the following is a primary benefit of entrepreneurial competition? lower taxes larger markets faster innovation better-informed consumers