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 ( 69+ )
Otras preguntas
Which type of cell is shown in the figure? A: Triploid cell B: Diploid cell C: Polyploid cell D: Haploid cell
plsss help find the value of each variable
Translate the following word phrase into an algebraic expression: nine times the difference of 5 and y
Does anyone know?Does anyone know?What type of information can be found on the Mycareershines.org website?Develop 2 comprehensive sentences using 2 of 4 the exa
Helpppppp I will mark brainlist A Punnett square predicts the probability of O the parent"s genotypes O the offspring's genotype neither O both
Refutation to why parents should restrict students internet usage.(Not copypasted from internet)
Some common ways to organize or structure an expository essay are A. by flow of ideas, chronological order, or by writing whatever comes to you. B. problem/solu
I am a number between 17 and 25 I am multiple of 3 6 is not a factor of mine
need help with this page
Why does air pressure decrease with increasing altitude? (Select all that apply.) Colder air is less dense. The weight of the air below is smaller. Less air abo
Q&A Platform for Education
Platform Explore for Education