codyrandleman codyrandleman
  • 04-03-2020
  • Mathematics
contestada

solve with using elimination
3х + 5y = 54
6х +4y = 72​

Respuesta :

Аноним Аноним
  • 04-03-2020

Answer:

y = 6 x=8

Step-by-step explanation:

(3х + 5y = 54)-2 times by -2

6х +4y = 72

-6х + -10y = -108 now combine the equations

6х + 4y = 72

-6y = -36 now divide

y = 6

Plug 6 in 6х +4 * 6 = 72

x=8

Answer Link

Otras preguntas

Atom X has 50 nucleons and a binding energy of 4.2 10^11 J. Atom Z has 80 nucleons and a binding energy of 8.4 10^11 J. Which atom has the greater binding energ
How did the crop rotation system that developed in britain during the agricultural revolution increase crop yields?
Who invented electricity​
mr smith buys pencils at $250 per hundred and sells each at $1.75 find his loss or profit​
math algebra Please help pick the best answer please​
Scott is having a difficult time with his classes. He tries to keep from becoming anxious about his grades by going to movies and parties with his friends. Howe
Help with these questions, please!! I don't understand them!
​ ____ is the study of the brain and the nervous system, especially in terms of brain-behavior relationships.
Approximate the value of V110 to the nearest hundredth. HURRRYYYY PLZZZZZ NOWWWW​
Which of the following is an example of Müllerian mimicry? A) two species of unpalatable butterfly that have the same color pattern B) a day-flying hawkmoth tha