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

what is the solution of the system of equations? y = –2x 8 y = x – 4 a. (–1.33, –5.33) b. (4, 0) c. (0, 4) d. (–12, 32)

"To make all Laws which shall be necessary and proper for carrying into Execution the foregoing Powers, and all other Powers vested by this Constitution in the

what is meant by backing up files through cloud computing?

which group of plants contains the least number of species?

what is the fundamental frequency of a particular medium ?

what the molarity of 2.00 moles of glucose in 4.00L

what is the solution of the system of equations? y = –2x 8 y = x – 4 a. (–1.33, –5.33) b. (4, 0) c. (0, 4) d. (–12, 32)

John is a quarterback. This year, he completed 350 passes, which is 70%, percent of all the passes he's attempted this year. How many passes has John attempted

what is the discriminant of the quadratic equation 0 = –x2 4x – 2? a.–4 b.8 c.12 d.24

write 1-3log5x as a single logarithm