christinabatchelor20 christinabatchelor20
  • 25-05-2020
  • Mathematics
contestada

Which equation results from adding the equations in the system
×+6y=9
-×+2y=-15

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 25-05-2020

Answer:

x = 27/2 , y = -3/4

Step-by-step explanation:

x+6y=9

-x+2y=-15

--------------------

0x +8y = -6

Divide each side by 8

8y/8 = -6/8

y = -3/4

Now find x

x +6y = 9

x +6(-3/4) =9

x - 9/3 = 9

Add 9/2 to each side

x = 9+9/2

x = 18/2 +9/2

x = 27/2

Answer Link
bmadrigal0013
bmadrigal0013 bmadrigal0013
  • 02-02-2022

Answer:

A

8y = -6

Step-by-step explanation:

Hope this helps

Answer Link

Otras preguntas

What's wrong with the sentence "everyone must learn how to work their new computer"?
Historia de tlaxcala prodigios que se vieron en mexico antes de la llegada do los espanoles
Wyatt uses 3/4 gallon of paint two identical, dog houses. Wyatt has 5 1/2 gallons of paint. Assuming that the dog houses are identical, how many dog houses in
Quiero nadar. ¿Adónde voy? a la cabina al teatro a la piscina al comedor
If pie n = 3/2 what is -pie 2
Which of these is another name for mechanical weathering? A. erosion B. deposition C. disintegration D. decomposition
Analyze the diagram below and complete the instructions that follow. Solve for x. 9 10 36 60
A storeowner places a “No Smoking” sign in front of their store. This would be classified as a type of factor.
12+4n>44 or 10-12n>-38
insert commas in the following numbers 13886 365 719463 40047209 2145739180 1783457