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

Helppppp meeeeee plzzzz

X plus 10% = 132 what is X

Which of the following is NOT a true statement? А The sun's gravity keeps the Earth spinning around it. B The moon's gravity pulls on the Earth's ocean. C Earth

Which should you NEVER do when you have dry clay or dry salt dough clay on your hands, especially around others? Group of answer choices Clap your hands Wipe yo

What is a commodity

Scottie is testing to see if people who go to a lot of movies do better than average on the Verbal SAT (which has a mean of 500 and a standard deviation of 100

A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. It takes a time

Using the rational root theorem, identify all the possible rational roots of the equation x^4+25x^3-14x^2-19x+30

Apply this allegory to your own life. When have you or someone you know chosen ignorance over truth? Why did you/they make that choice? (5 points)

Suppose that it costs $1.50 to download a song. How many songs will Ray choose to download per month?