marinashenouda7 marinashenouda7
  • 17-04-2018
  • Mathematics
contestada

3p+4q= 10 5p-4q= -26 Solve the system of equations using elimination. Write your answer as (p, q).

Respuesta :

mkryukova19 mkryukova19
  • 17-04-2018
3p+4q=10
5p-4q=-26

Add both equations
3p+4q+5p-4q=10-26
8p=-16
p=-2

3p
3p+4q=10
3(-2)+4q=10
-6+4q=10
4q=16
q=4

(-2,4)

Answer Link

Otras preguntas

The part of English colonial system that clearly showed democratic tendencies was
PLEASE!!!! ASAP!!! Two airplanes leave the airport. Plane A departs at a 44° angle from the runway, and plane B departs at a 40° from the runway. Which plane wa
Entry for Uncollectible Accounts Performance Bike Co. has determined that the proper balance for the Allowance for Doubtful Accounts at December 31 is $39,044.
13. For what value of b would the following system of equations have an infinite number of solutions? 9x + 12y = 21 6x + 8y = 7b Please explain and show steps
A 5 inch x 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2x inches larger than the width and length of the pho
Use synthetic division to solve (x^3 + 1) ÷ (x – 1). What is the quotient?
What was the first product sold by heinz in 1869?
What ocean can you see if you are on highway 1???
What is the value of x in the equation 1/2x-3/4=3/8-5/8
JLILIILE Website > Test / Quiz > Unit 22: Science, Society, and the World Unit Test > Question 4 of 25 establishes the rules for how all people interre