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

Let theta be an angle in quadrant IV such that sin theta= -5/13 Find the exact values of sec theta and tan theta

An alliance between france and this country , who borrowed money from france for railroads , industry and its military was another act towards ww1 name the coun

if 90 is 80% of a value, what is that value

The slope intercept form of the equation for numbers one through four please

In a second grade class containing 12 girls and 11 boys, 2 students are selected at random to give out the math papers. what is the probability that the second

What factor influenced napoleons decision to sell the Louisiana territory to the United States?

A set of data points has a line of best fit of y=2.5x-1.5 What is the residual for the point (4,7)

Which sentence gives the impression that amusement parks want to provide their patrons with the ultimate thrilling experience? A. "On many of these attractions,

What force prevents a machine’s actual mechanical advantage from reaching its ideal mechanical advantage? A work B friction C gravity D heat

A person walks for 100 yards then turns through an angle of 60 degrees and walks another 100 yards. How far is she from her starting point?