herandylucas
herandylucas herandylucas
  • 05-02-2014
  • Mathematics
contestada

Substitution how do u do it??

Substitution how do u do it class=

Respuesta :

crisforp
crisforp crisforp
  • 05-02-2014
3x-(2x+7) = -9 <=> x -7 = -9 <=> x = -2; y = 2(-2) + 7 = 3.
Answer Link

Otras preguntas

During the __________ Revolution of the 18th and 19th centuries, Europe underwent major developments in industry. A. Agricultural B. Industrial C. Social D. Env
Base your answers to question 8 on the information below and on your knowledge of biology. Evolution leads to changes in how frequently certain traits appear i
What type of idea is being "sold" when an advertisement includes a Latina woman wearing a short dress and bright red lipstick who winks as she speaks?
Which type of population growth quickly leads to overproduction of a species
how many moles is 22.4 liters of oxygen gas at standard temperature and pressure represent
define fodder crops and give 2-3 examples also
If you were to solve the following system of equations by using a matrix which of the following would be your coefficient matrix ? 5x - y = 18 3x + 8v = 15
A block of metal has a mass of 0.5Kg and density of 8000kg/m3. if it is suspended from a string and completely immerged in water(gw=1000kg/m3). the tension in t
genteeee me ajuda ai Escoja, entre las alternativas abajo, aquella que describe de modo correcto la presencia de los artículos en la frase. I. "[...] pero en su
what would we do if there was a war from all the stuff abt the protesting