mjoanna mjoanna
  • 01-12-2016
  • Mathematics
contestada

X+4y=6 y=-x+3 solve each system of linear equations by substitution

Respuesta :

ivanzud
ivanzud ivanzud
  • 01-12-2016
Plug in one of the equations for y. x+4(-x+3)=6. Solve for x. Then plug in x into one of the equations to get y. x-4x+12=6. -3x=-6. x=2. y=-2+3=1. X=2 and y=1.
Answer Link

Otras preguntas

To provide clean running water, Philadelphia a. purchased clean water from other major cities b. controlled the flow of its streams with underground pipes c. bu
How were the details of the Iran-Contra Affair discovered? a. A plane crash in Nicaragua revealed it. b. Senator John Tower discovered the plan. c. Information
Approximately _____ different languages are spoken in Africa. A. 10 B. 100 C. 1,000 D. 10,000
Would the sum of 5.7 cm and 6.2 cm need to be rounded? Why or why not?
The table below shows the outputs y for different inputs x: Input (x) 1 1 3 3 Output (y) 4 2 12 6 Part A: Does the table represent y as a function of x? Justify
Which words in the sentence is the object of the preposition? The audience was waiting, and then a funny clown walked onto the stage. a. Stage b. Clown c. Audie
Approximately _____ different languages are spoken in Africa. A. 10 B. 100 C. 1,000 D. 10,000
What are two cabinet-level positions?
A meager plan would be ________. a. barely thought out, with few details b. filled with lots of ideas c. complicated and hard to follow d. more exciting than ex
Identify a constant in the equation 18x + 14 = 120 Question 3 options: A.18 B.x C.There are no constants in this equation. D.14