savannahpwalker savannahpwalker
  • 25-03-2018
  • Mathematics
contestada

given the system of equations 4x+2y=8 and 5x-3y=4, what is the value of x

Respuesta :

1rstar
1rstar 1rstar
  • 25-03-2018
◆ LINEAR EQUATIONS IN TWO VARIABLES ◆


[tex]given \: the \: sytem \: of \: equation \: - \\ \\ 4x + 2y = 8 \: \\ therefore \\ \\ \: 2x + y = 4 \: \: \: - - - eq(1)\\ \\ 5x - 3y = 4 \: \: \: \: - - - eq(2) \\ \\ multiplying \: eq(1) \: \: by \: \: - 3 \: \\ \\ we \: get \: - \\ \\ - 6x - 3y = - 12 \: \: \: - - - eq(3) \\ \\ solving \: eq(2) \: and \: eq(3) \: simultaneously \\ \\ we \: get \: - \\ \\ 11x = 16 \\ \\ x = \frac{16}{11} \: \: \: \: \: ans.[/tex]
Answer Link

Otras preguntas

How do u subtract mixed numbers
simplify 10 + 1/2 + 6 + 5/6 ​
A block of mass m sits at rest on a rough inclined ramp that makes an angle θ with the horizontal. What must be true about force of static friction f on the blo
Read the passage about an athlete. When an athlete's body temperature begins to climb, blood vessels in the skin dilate. As a result, the athlete's face turns r
Which characteristics does Gilgamesh display in this passage
which statement best represents the US response to September 11th attack? A) The Bush Administration launched operation enduring freedom in Afghanistan and the
What is risk assessment
Purple is to grapes as red is to ?
Find the length of the longest side of the triangle if the perimeter is 23.
Daria says that every real number is a complex number. Do you agre with her? Why or why not?