crosscountrydance crosscountrydance

02-06-2017
Mathematics

contestada

What is the value of the x variable in the solution to the following system of equations?

4x − 3y = 3
5x − 4y = 3

Respuesta :

ghanami ghanami

02-06-2017

hello :
4x − 3y = 3 ...(1)
5x − 4y = 3 ...(2)
by (1) : 3y = 4x-3
y = (4/3)x -1 ...(*)
by (2) : 4y = 5x-3
y = (5/4)x -3/4 ... (**)
by (*) (**) ;
(4/3)x -1 =(5/4)x -3/4
(4/3)x-(5/4)x=1-3/4
(16x-15x)/12 =1/4 = 3/12
x=3

Answer Link

Otras preguntas

write each decimal as a fraction or mixed numbest form. -7.08

a relief map is different than a physical map in that?

30909990 expanded form

when did George Washington die

the coordinates of point you are given. the midpoint XY of is (3,-5). find the coordinates of point x.1. Y (0,2)

I need some information about the religion and culture of the lipan apaches in Texas

necesito oraciones con las palabras animación, imperativo, hexámetro, ceremonia, hexágono y expropiar

What is the area of the kitchen floor in this floor plan?

Which of the following does not represent a fundamental reason as to why all poverty relief programs that create or perpetuate dependence/reward sloth or level

Planning for the possiblity that your home might get struck by lightning and catch on fire is part of a plan for _____. a. financing b. managing income c. manag