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

Who invented the iPhone

The volume, V, of the right circular cone with radius r and height h, shown below, can be found using the formula V = one-thirdpi r2h. A cone-shaped paper cup h

A 1.0 × 10^3-kilogram car travels at a constant speed of 20. meters per second around a horizontal circular track. The diameter of the track is 1.0 × 10^2 meter

how do you know 13 is the greatest prime number of 52

PLEASE HELP with detailed explanation of the formulas** A 10.0-gram sample of H2O(l) at 23.0°C absorbs 209 joules of heat. What is the final temperature of the

According to the article why was leonardo da vinci a perfect example of a"Renaissance Man" ?

Solution A has a pH of 3 and solution Z has a pH of 6. How many times greater is the hydronium ion concentration in solution A than the hydronium ion concentrat

Sediments are deposited in an alluvial fan because __________________________________________

The bonds in the compound MgSO4 can be described as A. ionic, only B. covalent, only C. both ionic and covalent D. neither ionic nor covalent

The volume, V, of the right circular cone with radius r and height h, shown below, can be found using the formula V = one-thirdpi r2h. A cone-shaped paper cup h