melschell123
melschell123 melschell123
  • 01-02-2018
  • Mathematics
contestada

I need help with 3x-y=4   y=6-2x


Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 05-02-2018
Since you have a "y=" equation, this is solved nicely by substitution.
.. 3x -(6 -2x) = 4
.. 5x -6 = 4
.. 5x = 10
.. x = 2
Then
.. y = 6 -2x
.. y = 6 -2*2 = 2

The solution is (x, y) = (2, 2).
Answer Link

Otras preguntas

What is the LCD of 4, 5, and 6
How did Alexander Hamilton want to pay off the nation’s debts?
what is the main purpose of FDRs four freedom speech
The united states emerged as an imperialist power following a. the civil war. b. world war i. c. the spanish american war. d. world war ii.
what is a qualitative observation? a. an observation about the color, shape, size, or condition of something. b. an observation about the number or amount of so
What is a behavior in mating in which one male breeds with a female for a certain period of time and then finds a different mate the following mating season?
How do we determine the difference between higher and lower pleasures, according to mill? (points : 1) the preference of those who are acquainted with both. the
A hobby rocket reaches a height of 72.3 meters and lands 111 meters from the launch point What was the angle of launch?
6x - 7 + 9x - 8 = 90 solve Can you Guys Solve this
The first African country to achieve independence was