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 ( 28+ )
Otras preguntas
a rubber band was 6cm long at first. Now it is stretched to be 18cm long. How many times longer is the rubber band than it was at first?
Germany in the ottoman empire were defeated in World War I at the end of World War I the league of nations implemented the mandate system in order to administer
What is the difference between the new and Old Testament
you have been given 250.0 mL of an aqueous solution containing 18.7grams of AgNO3. What is the molarity of solution?
Read the excerpt from Last Lecture by Randy Pausch. And after I had become somewhat of an authority on virtual reality, but not like a really important one, so
Why did the dead rabbits not become an environment in th next generation
In George Herbert's poem "Praise (III)," God's generosity is compared to a bottle. This comparison of two very dissimilar items was known as what type of figur
Please help me with this question!
SOMEONE HELP PLEASE!!!!(15POINTS)Choose the force that always acts opposite the direction of the motion. so, if a car is moving forwards, what force would act b
Which of the following lines is perpendicular to y= 1/4 x-3 ? Select all that apply. A. 8x-2y=3 B. y=-4x+6 C. y=4x D. y=4x+9 E. 4x-y=-2
