villorensky villorensky
  • 13-11-2020
  • Mathematics
contestada

−2x+5y=−17 3x-10y=283x−10y=28

Respuesta :

sand75
sand75 sand75
  • 13-11-2020

Answer:

x = 6

y = -1

Step-by-step explanation:

-2x + 5y = -17 ------ equation 1

3x- 10y = 28 ------- equation 2

equation 1× 2

-4x + 10y = -34 ------- equation 3

equation 2 + equation 3

-x = -6

x = 6

x = 6 substitute for equation 1

-12 + 5y = -17

5y = -5

y = -1

Answer Link

Otras preguntas

I think its 60 is it Correct? Thank You!
In the accompanying diagram, isosceles triangle ABC has coordinates A(-4,0), B(4,0), C(0,4). Find the area of ABC.
What is the equation of the graph below? PLEASE HELP!
(will mark as brainliest, whoever gets it right) Just need help on this question, thanks. I don't know what to do
Find the unbalanced force acting on the object.
Please explain to me geometry
A teacher has 15 weeks in which to teach six chapters. Write and then solve an equation, showing all work, that represents the number of lessons the teacher mus
5. In which quadrant does the terminal side of al 18° angle lie? a. third quadrant c. first quadrant b. second quadrant d. fourth quadrant
Morgan uses a standard ruler to measure the length of a picture in inches. Which length is the only realistic measurement Morgan could record? a. 3.895 in b. 3
why were the baiga,s not willing to work as labourers​