heavrilbekayra heavrilbekayra

04-05-2016
Mathematics

contestada

Solve the system by the elimination method. Check your work. 3a + 5b - 7 = 0 a - 2b - 4 = 0

Respuesta :

meerkat18 meerkat18

11-05-2016

3a + 5b - 7 = 0
0a - 2b - 4 = 0

-2b = 4 - 0a
b = (4 - 0a)/ -2
b = -2

3a + 5b - 7 = 0
3a + 5(-2) - 7 = 0
3a - 10 - 7 = 0
3a - 17 = 0
3a = 17
a = 17/3 or 5 2/3

Answer Link

Otras preguntas

PLS HELP I NEED TO RAISE MY GRADE !!

a patient is admitted via ambulance to the emergency room of a stroke center at 1:30 p.m. with symptoms that the patient said began at 1:00 p.m. within 1 hour,

the rigid distinction between the acting space and the audience space came to be formalized when acting became an unsavory, often illegal profession.

Explain why the scenario below fails to meet New York State's requirements for a cosmetology license? Situation: Patty was almost finished with her 1,000 hours

Nitrogen fixation by bacteria is one of the ways that atmospheric nitrogen is converted to a form that plants can use to make biomolecules. In the nitrogen cycl

the property of a resource allocation of maximizing the total surplus received by all members of society

Can someone please send the answers to these questions with explanation? (Attachment) (30 POINTS)

how do you think khanyi's relationship with her mother has been affected by the role that khanyi has to play

¿Cuántas personas son? Leandro, mi hermano; Diego, mi primo; Verónica, mi tía, y yo.

The Ogallala aquifer is replenished through a process called