hogrefekelsey
hogrefekelsey hogrefekelsey
  • 04-04-2021
  • Mathematics
contestada

a first number plus twice a second number is 8 twice the first number plus the second totals 25

Respuesta :

barackodam barackodam
  • 04-04-2021

Answer:

The first number is 14

The second number is -3

Step-by-step explanation:

x + 2y = 8

2x + y = 25

Solving simultaneously,

2x + 4y = 16

2x + y = 25

On subtracting, we have

3y = -9

y = -3

Going to substitute for y, we have

x + 2(-3) = 8

x - 6 = 8

x = 14

Answer Link

Otras preguntas

how to work out balanced equations
5x^2+2x+1 how do I name the polynomial based on its degree and number of terms
American leaders sought to draft the constitution as a new plan of government. Why had the previous failed?
How are fifteen and flatter different
HELP ASAP PLEASE {will gave thanks and a brainliest}
Who was the founder of the Mughal dynasty in the 1520s after invading northern India? A. Babur B. Süleyman C. Osman D. Abbas I
Eileen swim 45 minutes this is 21 more minutes than four times the number of minutes ethan swim
What are some ways to ensure that websites you use are reliable? How can you distinguish between fact and fiction? What advice can you offer classmates that w
Suffix in useless and then the base word
Consider a French-owned cheese factory located in Paris, France. Are the goods made by the cheese factory part of the U.S. Gross Domestic Product (GDP)? Are the