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 ( 81+ )
Otras preguntas
What digit(s) can be in the one's place of a number that has 5 as a factor?
A coin bank has 250 coins, dimes and quarters, worth $39.25. How many of each type of coin are there?
Express your opinion about whether or not farmers should continue planting Bt corn. Explain your point of view
summarize the fighting in the pacific between december 1941 and april 1942
which point is on the line 4y-2x=0?a- (-2,-1)b- (-2,1)c- (-1-2)d- (1,2)
What caused the fall of Rome?
Solve these system of linear equations: 1. {2x+4y=12 {2x+8y=24 2. {5x-10y=30 {3x-y=20 3. {x-6y=12 {3x-y=20 With Steps Please!who ever is
Why did European nations send missionaries to convert people in Africa and Asia to Christianity? Check all that apply. Europeans believed cultural exchange woul
The grid-like lattice of proteins that gives the cell shape and support is the __________________. endoplasmic reticulum cytosol cytoplasm cytoskeleton
How is the human body organized from smallest to largest structure
