samuraijack443 samuraijack443

03-11-2020
Mathematics

contestada

Solve the following system of equations for x:
2x + y = -2
and
4x+y=-8
PLEASE HELP ME. IMMA FAIL

Respuesta :

coens04 coens04

03-11-2020

Answer:

x=0.5

Step-by-step explanation:

2x+y= -2

and

4x+y= -8 so...

2x+y= -2 = 4x+y= -8

2x+4x= 6x

y+y=2y

-2+-8= -10

6x+2y= -10

2y- -10= 12

6x=12

6/12=0.5

x=0.5

Answer Link

Otras preguntas

Which of the following is equivalent to 3a + 4b – (–6a – 3b) ? A. 16ab B. –3a + b C. –3a + 7b D. 9a + b E. 9a + 7b

A car that travels from point A to point B in four hours, and then from point B back to point A in six hours. The road between point A and point B is perfectly

Identify the turning point of the function f(x)=x^2-2x+8 by writing its equation in vertex form. Show work

solve for x: 2x^2+4x-16+=0

Help??? What is 3x+5x=67y?

A mouse population starts with 2,000 mice and grows at a rate of 5% per year. The number of mice after t years can be modeled by the equation, P(t)=2000(1.05)^t

Which of the following categories includes the most distantly related organisms? (A) family (B) species (C) class (D) genus (E) order

what does the zeppelin

A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meter

what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.