janessa1 janessa1

07-01-2016
Mathematics

contestada

what is -4x+7x=-38 8x+7y=34

Respuesta :

Billymkhoi Billymkhoi

07-01-2016

-4x+7x= -38
⇒ 3x= -38
⇒ x= -38/3

8x+7y= 34
⇒ 8*(-38/3)+ 7y= 34
⇒ 7y= 406/3
⇒ y= (406/3)/7
⇒ y= 58/3.

The final answer is x= -38/3, y= 58/3~

Answer Link

Otras preguntas

What is the implicit theme of “Thanatopsis,” and how did you infer this?

Most primatologists consider primate behavior to be

According to Auto Week magazine, a Chevrolet Blazer traveling at 60 mph (97 km/h) can stop in 8 m on a level road. Determine the coefficient of friction between

Which sentence is correct? Some of the kings gave money to their peasants, but King Henry kept it for himself. Some of the kings gave money to their peasants,

Write the inequality that represents "-5o is warmer that -8o." (o=temperature)

A company makes three types of candy and packages them in three assortments. assortment i contains 44 cherrycherry, 44 lemonlemon, and 1212 limelime candies,

When an employee says, "i really want to learn more about this new project" but has his arms crossed, his manager is likely to believe that: he really wants to

Please, Help! Brainiest Answer and Stars. Giving all the points I have to offer At a local basketball tournament, the cost of 3 hot dogs and 2 sodas is $11, whe

A large city in the ancient world was square-shaped. measured in miles, its area numerically exceeded its perimeter by about 132. find its dimensions. (round to

"john has been having difficulties getting out of bed. he is not interested in going out with friends, and does not even answer the phone. john has let a number