mariana4274 mariana4274

02-03-2021
Mathematics

contestada

What is the solution to this system of linear equations?
y - 4x=7
2y + 4x = 2
(3,1)
(1,3)
3.-1)
(-1,3)

Respuesta :

anikakinnear anikakinnear

02-03-2021

[tex]y=7+4x\\2(7+4x) +4x=2\\14+8x+4x=2\\14+12x=2\\12x=-12\\x=-1\\\\y-4(-1)=7\\y+4=7\\y=3[/tex]

(-1,3)

Answer Link

Otras preguntas

What volume of 6.00 m naoh solution is required to prepare 0.50 ml of 0.15 m naoh solution a. 12.5 ml of naoh b. 25 ml of naoh c. 30 ml of naoh?

Michael has 225 milliliters of a liquid. To find out the number of grams of calcium in this liquid, Michael multiplies the volume by 0.015. When he writes the

which of the following did emma hart willard accomplish in 1826

describe five factors that contributed to communist victory in 1949

In '' The Diary Of Anne Frank '' Act 2, Scene 3. Mr.Frank says, ''We don't need Nazis to destroy us. We are destroying ourselves''. What does he mean by this? P

Locate the prepositional phrase and type it in the blank. Then, identify the function of the phrase. Above the door hung a horseshoe. prepositional phrase:

Mrs. Wilton is planning a rectangular flower box for her front window. She wants the flower box to hold exactly 16 cubic feet of soil. How many different flower

At the top of a mountain, the pressure is found to be 0.52 atmospheres. How does this compare to standard atmospheric pressure at sea level?

The purposes of sending an application or résumé follow-up message to an employer include jogging the memory of the hiring manager, showing your serious interes

(5x^2+38x+18) divided (x+7) what is the quotient and the remainder