torreseli146 torreseli146

01-04-2021
Mathematics

contestada

What is the x-value of the solution to this system of equations?
Y=2/7x-1
2x + 7y = -49

Respuesta :

karkismriti176 karkismriti176

04-04-2021

Answer:

x = -21/2

Step-by-step explanation:

y= 2/7 x-1

or, 7y= 2x -7

or, 2x -7y =7

2x + 7y = -49

4x = -42

x= -21/2

y= 2/7 × -21/2 -1

= -4

Answer Link

Otras preguntas

What may happen during the world cup where soccer is the most popular sport?

Can someone help me please

If the mass of a material is 120 grams and the volume of the material is 23 cm3, what would the density of the material be?

Which of the following describes a similarity between the Magna Carta and the United States Constitution? A. Both documents are based on Enlightenment princi

How will you use this knowledge in your future career?

When the british declared martial law in massachusetts?

PLEASE HELP!!! Expand!!!A. 0 + 1 + 2 + 3 + 4+ 5B.(-1) + (-2) + (-3) + (-4) + (-5) + (-6)C. 0 + 1 + 2 + 3 + 4 + 5 + 6D. 1 + 2 + 3 + 4 + 5 + 6

PLZ HELP!!!I need to look at a roadmap, and find the Northernmost and Southernmost city in your state, which my state is oregon. I foudn the Northernmost city (

How many moles of aluminum in 108 grams of aluminum?

How will your health most likely be affected if you follow the recommended guidelines for sleep, rest, and physical activity