Benny11 Benny11
  • 12-05-2015
  • Mathematics
contestada

5x-7y=-2
-5x-10y=-15

Respuesta :

eu99li
eu99li eu99li
  • 12-05-2015

{5x-7y=-2

{-5x-10y=-15     (+)

5x-5x-7y-10y=-17

-17y=-17    /:(-17)

  y=1

5x-7 *1=-2

5x-7=-2    /+7

5x=5     /:5

x=1

Solution: (1; 1)   

Answer Link

Otras preguntas

Guys im giving max points for this, please give me a correct answer and best gets brainliest.
A theme is the conveyed in the text.
Following practice that protect earths resources called
What is the frequency of a radio wave with a wavelength of 6.00 x 10^-1
A manufacturer uses production method to produce steel rods. A random sample of 17 steel rods resulted in lengths with a standard deviation of 4.7 cm. at the 0.
THIS IS A FITNESS QUESTION PLEASE ANSWER NOW AND CORRECT Jason runs with his head tilted back. Chris runs with his hands at his waist. Kevin runs with his shoul
Solve for x. (х-4)(х - 4) = 0 ОА. -16 ОВ. -4 Ос. Op. 16
What is the mans’s first step back? Why is it critical one
What is the Elastic Clause? What is the Supremacy Clause? What surprised you about the Constitution?
Read this excerpt about Qin Shi Huang, the founder of the Qin dynasty. Then answer the question that follows. The Qin dynasty lasted for a brief period of 15 ye