ambmundle ambmundle

01-03-2017
Mathematics

contestada

how to use substitution for 4x+3y=13 and x+y=4

Respuesta :

wolf1728 wolf1728

04-03-2017

A) 4x + 3y = 13
B) x + y = 4
B) x = 4 -y Then we substitute this into Equation A

A) 4 (4-y) + 3y = 13
A) 16 -4y +3y = 13
A) -y = -3
y = 3
x = 1

Answer Link

Otras preguntas

Why don't cyanobacteria and bacteria reproduce by mitosis? Because: a. they are not organisms b. they are not cells c. they do not contain chromosomes d. all

Please help me with this!!

You and a friend go biking. You bike 12 miles north and 2 miles east. What is the straight-line distance from your starting point? Round answer to the nearest h

Choose the best answer. ______ began humanist thought and culture with his Transcendentalist philosophy.

An architect is planning several stone spheres of different sizes into the landscaping of a public park, and workers who will be applying the finish to the exte

"When motivated by _____, individuals say what they think the researcher wants to hear or what they think will make them look better."

duties of a producer when delivering a policy to an applicant EXCEPT:

Explain why the genetic content of individual chromosomes in a spermatozoon most likely differs from the genetic content of individual chromosomes in a primary

write a letter of complaint. Follow the rules for a formal letter,and use the full-block style.

Write an explanation of how Shakespeare crafts Act I, scene i for dramatic impact. What particular elements contribute to this impact?