rachelh3 rachelh3
  • 15-03-2019
  • Mathematics
contestada

what is the solution of the system use substituion 3x-4y=9 -3x+2y=9

Respuesta :

Ammimochi
Ammimochi Ammimochi
  • 15-03-2019

Solve for x in 3x - 4y = 9

x = 9 + 4y/3

Substitute x = 9 + 4y/3 into -3x + 2y = 9

-9 - 2y = 9

Solve for y in -9 - 2y = 9

y = -9

Substitute y = -9 into x = 9 + 4y/3

x = -9

Therefore,

x = -9

y = -9

Answer Link

Otras preguntas

"What is the name of the relationship between angle 1, and angle 4? A. corresponding angles B. alternate interior angles C. obtuse angles D. adjacent angles
what is (-4z^2-11u)-5z^2
Which two fields of study do the principles of biomechanics come from
What is the length of missing side b in the figure below?
0.1 is 10℅ of what number
you are a cyclist in a cross country race. just before the crossing finish line you overtake the person in second place! what place did you finish in?
true or false the rules of government distributiondo not eliminate competition
Software that people commonly use in the workplace to make their lives easier is called what?
what is a community of non-Muslim religious minorities called? a. imam b. caliphate c. millet
which main plant tissue is shown in green?