chris507
chris507
09-04-2018
Mathematics
contestada
The answer for this system
Respuesta :
wolf1728
wolf1728
09-04-2018
A) 2x + 3y = 21
B) -3x + y = -4
Multiply equation B) by -3
B) 9x -3y = 12 then adding it to equation A
A) 2x + 3y = 21
11x = 33
x = 3
A) 2x + 3y = 21
2*3 + 3y = 21
3y = 15
y = 5
Answer Link
AnahiDiazdl
AnahiDiazdl
09-04-2018
x equals 3
y equals 5
(3,5)
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
In the case of Bush v. Gore(2000), the court ruled that the vote recount in Florida interferes with the candidates equal protection under the law because
Nisha spent 1/4 of her money on Monday and 7/10 of it on Tuesday. What fraction of her money did Nisha spend during the two days?
The table shows the relationship between the number of sports teams a person belongs to and the amount of free time the person has each week.Number of sports |
PART A: What prompts the narrator to refuse to give Dee the quilts she wants?
The teacher writes 10/12 on the board write this fraction in the simplest form
Please solve. 10 pts + brainliest
Select the correct answer. Which phrase best completes this sentence? Viajar en el bus es _______________ alquilar un auto. A. más económico que B. má
Describe a horse walks along a straight path it travels 3 m in one second 4 m in the next second and 5 m in the third second describe the horse motion
Will give brainliest
Thomas weighs 168 lb how many kilograms does Thomas weigh