michelle202 michelle202
  • 02-02-2018
  • Mathematics
contestada

How do you solve these systems by elimination level 3

How do you solve these systems by elimination level 3 class=

Respuesta :

anchitthawi
anchitthawi anchitthawi
  • 02-02-2018
x+y = -3 ---(1)
5x-2y = -50 ---(2)

5x+5y = -15 ---(3) (multiplied (1) by 5)
5y-(-2y) = -15-(-50) ((3)-(2))
7y = 35
so y = 5

then x+5 = -3
so x = -3-5 = -8
Answer Link

Otras preguntas

Why does Balthasar tell Romeo that Juliet is "well, and nothing can be ill"?
How many chlorine molecules are in 35.5g of chlorine gas
Is true that the constitution was a U.S navy warship
Which of the following sentences demonstrates proper capitalization? [L.11-12.2lO A. Virgil in the aeneid, wrote "fortune favors the braveO B. Virgil in the aen
Which event took place in Boston on December 16, 1773, in protest of the Tea Act?
Why did conservatives oppose the New Deal? They thought Roosevelt was not doing enough to provide relief. They believed it gave the government too much power in
During the final development stage of a speech on a question of value you should ____________.
Which phrase from the excerpt uses a strong emotional connotation to help the author emphasize the tragedy that the American Indians suffered?
During the 1920s, consumers became able to buy "big ticket" items which were previously only affordable to the wealthy. Which factor played the GREATEST role in
how many ares in 9 hectres