04-09-2017
Mathematics

contestada

helppppppppp!!!!!!!!!!!

helppppppppp class=

Respuesta :

mreijepatmat mreijepatmat

04-09-2017

- 9y + 6x = 7 (a)
+9y - 8x = 9 (b)

Add a) + b)
- 9y + 6x = 7 (a)
+9y - 8x = 9 (b)
----------- -------
0y - 2x = 16
Solve for x:
-2x = 16
2x = -16
x = - 8.
Now replace x = 8 in either a) or b) and you will find y = -55/9

Answer Link

Otras preguntas

How much heat energy is required to raise the temperature of 50g of bromine from 25°C to 30°C? [Specific heat capacity of bromine = 0.226 J/(g°C]

-2a(-5d-4c) answer this

Magnetism: So I need help on this question but please explain how you got the answer so I can learn and better provide evidence :) If you are able to answer thi

What paintings did Leonardo Da Vinci create

Find the area of the figure below

how many grams of H2O2 are in 3 moles of H2O2?

Write the following list of events as an expression and then simplify. $80 deposit, $78 deposit, $97 withdrawal, $12 depositPlease enter the expression (without

The solution set for the equation of a circle is all the_____ on the circle.

neighborhood on her cell ph notices that the park near her house is 0.5 cm wide. She zooms in until it is 3 times larger. If the park is 15 m wide what is the s

Who inferred that a new colony should be created and what was the main purpose? Relating to Georgia history.