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

write the equation of the line parallel to the line 4x y = -1 and passing through the point (5,0).

True or False? If false provide a counterexample 1. If x^2 = 36, then x must equal 18 or -18 2. If m< A =122 DEGREES then the measure of the supplement of

Humus consists of _____.

studying mathematics in the night is better than the morning study and why? give me your opinion please share it with me i'm thinking to study math at night but

which 3 invaders of the roman empire came from asia

who was the first president of the United States of America.

what is the value of m in the equation 38(m−29)=434 ?

the use and application of living things and biological processes is known as

The regular price for designer jeans is $74.95. When the jeans are on sale for 20% off, what is the discount and the sale price?

cara got lost while hiking in the mountains. fortunately for her, she had a gps device and a satellite phone. when she reported her location, she indicated that