sydnneeyyyyy sydnneeyyyyy
  • 22-02-2017
  • Mathematics
contestada

Use elimination to solve the system of equations. Enter your answer as an ordered pair; example: (10, -25)

2x - 5y = -5
-2x + 8y = -58

Respuesta :

texaschic101
texaschic101 texaschic101
  • 27-02-2017
2x - 5y = -5
-2x + 8y = -58
-------------------add
3y = - 63
y = -63/3
y = - 21

2x - 5y = -5
2x - 5(-21) = -5
2x + 105 = -5
2x = -5 - 105
2x = -110
x = -110/2
x = - 55

solution is (-21, -55)
Answer Link

Otras preguntas

Lydia's teacher wants her class to take note of the gas prices around town and round them all to the nearest whole number. Lydia found these gas prices: $3.51,
In a direct variation, y=36 when x=3. find the value of y when x = 2
One important way to control the spread of viruses is through a. The use of vaccines. b. Using antibacterial soap. c. The use of antibiotics. d. Sharing food an
Why is Mary allowed to work in the secret garden? Mr. Craven wants her to make his wife's garden come alive again because he is sorry that he has allowed it to
bro please i need the correct answer i will give u a brainliest to please i really need help
If the theoretical yield of LiOH in the reaction below is 47.4 g and the actual yield is 18.9 g, calculate the percent yield. Given: Li2O+ H2O – 2 LiOH
HELP is number tru or false and jhwta about number tow
.......................................
Which of the f by the Bill of F Public How would a question such as this one keep someone from voting? A person without an education might not be able to answer
Help)Area of Composite Figures(Help