tsunamibeauchamp tsunamibeauchamp
  • 26-03-2015
  • Mathematics
contestada

what is the easiest way to solve this equation algebraically

what is the easiest way to solve this equation algebraically class=

Respuesta :

Panoyin
Panoyin Panoyin
  • 04-04-2015
2x + 1y = 4
2x + 3y = 9
      -2y = -5
       -2     -2
         y = 2.5
2x + 3(2.5) = 9
2x + 7.5 = 9
     - 7.5  - 7.5
         2x = 1.5
          2       2
           x = 0.75
     (x, y) = (0.75, 2.5)
Answer Link

Otras preguntas

which of the following is a risk specific to online gaming?A. chatting with people you don't knowB. role-playingC. personal powerD. community building
one out of 44 high school ball player plays college ball. one out of 23 college players plays professional ball. What fraction of high school player plays profe
what is -4x+8=48 what is x
how does friction affect brick structures
Help with line equations?
Please can some one explaine fore me What is work done
What Is the 1976 Copyright Act?
What Is the State Motto of Nevada?
What Is Social Rejection? need help
two erstwhile british colonies