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

SOME ONE PLZ HELP ASAP!!!!!!!!!! (yall will get 25 extra points)

During what period of time could a stimulus to the heart cause a life-threatening arrhythmia?

Which of the following statements is true about “There's a Man in the Habit of Hitting Me on the Head with an Umbrella”? It is funny because it is absurd. It

What can regulate the function of a gene?

x/-3 -50+0 please help

HELP!!!!!! An Instagram photo is measured ″ 4″ by ″ 4″. A poster enlargement is being printed with a scale factor of 8.5. What is the length of the enlarged s

Pollution that comes from a trackable source a. point source pollution b. non point source pollution c. ocean pollution (earth science)

Mary wants to help pay for beth's education(her granddaughter). she has decided to pay for half of the tuition costs, which are now $11,000 per year at state

Which of the following statements best explains how universal themes can cross both time and culture? A human nature remains relatively the same. B history repe

Read the passage. “… when the short-lived bloom of beauty is over, I presume that rational men will excuse me for endeavoring to persuade them to become more