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

we saw all of the animals at the zoo, with the EXCEPTION of the jaguar. what does the word EXCEPTION mean1. To rush by; hurry2. To add in; include 3. To take o

Mary, who is sixteen years old, is four times as old as her brother. how old will mary be when she is twice as old as her brother? explained

Name three common measurements that are expressed as a ratio of two units.

If A ⊂ B, then A ∩ B = A ∪ B. always sometimes never

Find dy/dx and d2y/dx2, and find the slope and concavity (if possible) at the given value of the parameter. (if an answer does not exist, enter dne.) parametric

Help pleasee i am beggin

answer both questions to get brain if u don't see all the answers is don't matter all u need is the question

An increase in the money supply that causes money to lose its purchasing power and prices to rise is known as______________

WILL GIVE BRAINLIEST AND 30 POINTS!!!!!!!!!!!!!!!! Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 2−x and y = 8x+4 in

please help me! What techniques did Genghis Khan use in battle?dont copy and paste please ;)