dmraybourn
dmraybourn
14-11-2017
Mathematics
contestada
3x+4y=43 find the value of y when x equals 9
Respuesta :
21sberman
21sberman
14-11-2017
To start take the equation and then plug in 9 for x
3x+4y=43
3(9)+4y=43
27+4y=43
Subtract 27 from each side to get all of the y's by themselves
27+4y-27=43-27
4y=16
Divide by four to get the value of one y
4y/4=16/4
y=4
Answer Link
vanita22patelprince1
vanita22patelprince1
14-11-2017
4=y or y=4 because substitute x which is 9 and do the inverse all operation until y is left.
Answer Link
VER TODAS LAS RESPUESTAS ( 79+ )
Otras preguntas
The doubling time of a population of grasshoppers is 10 days. By what factor does the population of grasshoppers grow in 35 days?
Esperanza rising chapter 7 pg 100-120 what are the two choices romona gives Esperanza when she was angr about there cabin?
Hot Air Balloon 1 is 10 meters above the ground, rising 15 meters per minute, and Hot Air Balloon 2 is 150 meters above the ground descending 20 meters per minu
the greatest threat to Native American civilization was
write 10/6 as a mixed number in simplest form
how many one-ounce slices of cheese are in a pound?
5/8 of the 64 musicians in a music contest are guitarists. Some of the guitarists play jazz solos, and the rest play classical solos. The ratio of the number of
Which development helped make the cattle business on the Great Plains profitable? A. Native Americans developed a taste for beef and bought entire herds. B.
write 10/6 as a mixed number in simplest form
solve this by substitution : 5x-y =5 5x-3y=15
