abbieob abbieob
  • 19-05-2021
  • Mathematics
contestada

(Sugg
eous equations.
3x + 2y = 12
4x – y = 5

Respuesta :

samuelduncan91
samuelduncan91 samuelduncan91
  • 19-05-2021

Answer:

1 × (3x + 2y = 12)

2 × (4x - y = 5)

3x + 2y = 12

+ (8x - 2y = 10)

= 11x = 22

divide both sides by the coefficient of 'x' (11)

Therefore x = 2

put (x = 2) in equation 1

3(2) + 2y = 12

6 + 2y = 12

2y = 12 - 6

2y = 6

divide both sides by the coefficient of 'y'(2)

Therefore y = 3

Answer Link

Otras preguntas

how long would a wound take to heal completely?
If the temperature changes in a chemical reaction, what has occurred?
Which word includes a helper
It is not important to include ________ on each note card. a. source information b. a fact, quote or summary c. the research question d. a subtopic code
What did the immigration act of 1965 do?
The value of the digit 8 in 87314 is
Can you see this better
Which colony did roger williams found? a. connecticut c. maine b. vermont d. rhode island
What is the best buy? 3 1/3 lb of turkey for 10.50 or 2 1/2 lb turkey for 6.25?
what are the three main parts of an eukaryotic cell