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

Explain in a few sentences how and why obesity is considered a disease.

Which tool is most suitable for a chemist to measure the mass of a liquid

Explain three different textual features that communicates or create meaning in informational texts.

An arcade booth at a county fair has a person pick a coin from two possible coins available and then toss it. if the coin chosen lands on heads, the person gets

What form of cell division do cancer cells undergo

According to this text from the preamble to the Declaration, who gives men their unalienable rights? a. their Creator b. the British government c. the Continent

Scientists have changed the model of the atom as they have gathered new evidence. One of the atomic models is shown below. What experimental evidence led to the

Determine whether quantities vary directly or inversely and find the constant of variation. It took Peter 3 hours to drive to his friend in Connecticut when he

A line with slope of -1/10 passes thorugh the point (1,8). What is its equation in point slope form?

Jet plane has a takeoff speed of 75m/s and can move along the runway at an average acceleration of 1.3m/s?. If the length of the runway is 2.5km, will the plane