mathstudent0
mathstudent0 mathstudent0
  • 02-04-2017
  • Mathematics
contestada

5x + 2y = 8
x + y = 4
If you want to solve the system of equations by addition, which of the following could you do?

Respuesta :

Shailza Shailza
  • 02-04-2017
Multiply the equation x+y =4 by -5
The resultant would be- 
-5x -5y = -20
Adding this with 5x +2y =8
Then, the resulting would be, 
-3y = -12
∴ y=4
and x=4-4 =0
Answer Link
sassyqueensavage
sassyqueensavage sassyqueensavage
  • 16-12-2020

Answer:

ita a

Step-by-step explanation:

Answer Link

Otras preguntas

Which choice best completes the sentence? _____ you must travel quite far south. -In order to reach Acapulco, -In order to reach, Acapulco -In order, to reach A
A lab director asks two students, Lydia and Damien, to each select a bottle of a concentrated weak base. When they reach the cabinets, they find different chem
Which tone best matches the historical sections of The Way to Rainy Mountain?
Most portfolio analysis methods evaluate sbus on two dimensions, namely ________ and ________.
Please help this is my last question
Solve 11cW+ 2k= 15cwfor k.
what is the tense of he underline verb? Rockwell had been attending the New York school of art when he dropped out and enrolled at the National Academy of desig
Joe makes a daily protein shake and includes a raw egg in it for extra protein. he is at risk for which foodborne illness
What is the overall equation for this chemical reaction?
Type the term that means the study and science of disorders and treatment of the eye.