Madirino Madirino

22-05-2020
Mathematics

contestada

Solve the system of equations below.

x + y = 8
3x + 2y = 21
(3, 5)
(5, 3)
(2, 6)
(6, 2)

Respuesta :

wolf1728 wolf1728

22-05-2020

Answer:

A) x + y = 8

B) 3x + 2y = 21

We multiply A) by -2

A) -2x -2y = -16 Then we add this to

B) 3x + 2y = 21

x = 5

y = 3

Second answer is correct

Step-by-step explanation:

Answer Link

Otras preguntas

Which does not describe a cause of the Reformation? a. Church leaders' concern with money and power instead of the needs of the people b. the refusal of the Chu

GIVE ME THE DEFINITION OF DIFFUSION

How was the code of chivalry like the idea of romantic love?

Fe2O3 + H2 --> Fe + H2O A) what mass of hydrogen gas must be consumed to produe 10.0 g of iron metal? B) what mass of iron(lll) oxide, Fe2O3, must be consume

How was the code of chivalry like the idea of romantic love?

How was the code of chivalry like the idea of romantic love?

The rule of Shi Huangdi, legalism, and the tomb of terra cotta soldiers are most closely associated with the (1) Maurya Empire (3) Persian Empire (2) Qin

What occurs at one of the electrodes in both an electrolytic cell and a voltaic cell?

How was the principle of the Roosevelt Corollary different from that of the Monroe Doctrine?

How many grams of water will form if 10.54 g H2 react with 95.10 g O2