axjx70
axjx70 axjx70
  • 13-01-2015
  • Mathematics
contestada

what is x - 5y = 13 and 9y - x = -17 using elimination method

Respuesta :

Brandtley12
Brandtley12 Brandtley12
  • 13-01-2015
x +(-5y)=  13
-x+  9y =(-17)
0+4y=-4
    4    4
y=1
x+-5(1)=13
x-5=13
 +5 +5
 x=18
  y=1
Answer Link

Otras preguntas

Josea went out to dinner to an Indian restaurant. The total bill was $38 .she wanted to leave a 20% tip
WILL MARK BRAINLEST!!!!!!
Some experts believe that homework can increase parents' awareness of what their children are studying in school. Please select the best answer from the choices
Please help, the image is below!
The most common economic system in the world is a
how do i get the area of triangle
What instrument represents the sound of the cows being called? A.Oboe B.English Horn C.Flute D.Trombone
This excerpt is most likely to be found in which part of the scientific text? introduction O methods O results conclusion
Is < greater than, less than or equal to 110 ? Choose 1 answer:
Four friends earn $ 24 washing cars and c dollars cutting grass. They want to divide the total amount into equal parts. If they make $ 38 cutting grass, how muc