ZWilliams06
ZWilliams06 ZWilliams06
  • 01-12-2020
  • Mathematics
contestada

Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations

Solve the system of equations5x7y23and 3x4y12 by combining the equations class=

Respuesta :

hunfra267 hunfra267
  • 01-12-2020

Answer:

Step-by-step explanation:

32

Answer Link
hiyathere16
hiyathere16 hiyathere16
  • 01-12-2020

Answer:

x=8 and y= -9

Step-by-step explanation:

(-5x-7y=23)x3

(3x+4y=-12)x5

-15x-21y=69

15x+20y=-60

-y=9

y=-9

x=8

Answer Link

Otras preguntas

Take a look at the statement below: Fish meal is better than artificial fertilizers. How could this statement be revised to make it a hypothesis? Fish meal is s
What aspect of the Columbian Exchange is considered by many to have made possible the European conquest and colonization of the Americas? I'm thinking it's dise
Which of the following types of government follows religious laws and leaders? oligarchy democracy theocracy dictatorship
How do the words grieving, sigh, and blight affect the mood of "Spring and Fall"? A. They add a note of sorrow to the poem's hopeful mood. B. They bring a reali
What happened as a result of the Frankfurt Assembly?
The act of formally approving something is known as
How can you use a single parallel sentence to combine the sense in these two sentences? I regularly drudge five days a week. I habitually sleep through the week
Which type of law refers to decisions made be government agencies? A. Administrative Law B. Constitutional Law C. Criminal Law D. Tort Law
Express 4x^2-25 as a product of two binomials.
Which device was first used in warfare during the Civil War, allowing for greater communication between generals and to members of press?