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

What is one tenth of 80
A helicopter rose vertically 300m and then flew west 400m. How far was the helicopter from it's starting point?
how do you get 22 percent of 200
Write 1.2% in a fraction or mixed number in simplest form
A helicopter rose vertically 300m and then flew west 400m. How far was the helicopter from it's starting point?
how many times does 16 go into 20
Which of the following is the best example of peer pressure using a reasoning tactic?A.  "Have a cigarette. Everyone in this group smokes."B. "C'mon and take a
a rectangular field has a perimeter of 500m and an area of 14400m2.  Find the lengths of the sides
What is 75% of 18 I'm really confused on this lesson
Which of the following is a reasonable estimated answer to the following problem? 989,867 ÷ 999