jaylyn14 jaylyn14
  • 19-11-2020
  • Mathematics
contestada

- 4x + y = 6
- 5x - y = 21
The solution is

Respuesta :

Fl0od
Fl0od Fl0od
  • 19-11-2020

Answer:

x = -3

y = -6

Step-by-step explanation:

[tex]y = 6 + 4x \\ - 5x - (6 + 4x) = 21 \\ - 9x - 6 = 21 \\ - 9x = 27 \\ x = - 3 \\ y = 6 + (4 \times - 3) = - 6[/tex]

Answer Link

Otras preguntas

(Find x) x + 256=2x - 1707
What is an explanatory myth
what are advantages and disadvantages of breakwater
Supreme Court justices are appointed for a term of A) 14 years B) Life C) 6 years D) 2 years
How does El Niño affect Peru's coast and northern eastern Brazil differently?
what three prime numbers timesed together makes 231
how CFCs affect the atmosphere and life on earth
Which was NOT a role of women in the High Middle Ages? a. to operate schools for girls b. to perform agricultural tasks c. to manage household work d. to work a
my problem says blank is what percent of $80 = $20
Which statement about the results of the Spanish-American War is true? A. President McKinley was defeated in his bid for reelection. B. The Spanish empire emerg