brysonsims
brysonsims brysonsims
  • 03-01-2019
  • Mathematics
contestada

how many solutions are there in x + 2 y = 5 and 2 x − 2 y = 4 ?

Respuesta :

offguard
offguard offguard
  • 04-01-2019

Adding the two equations, you get that 3x=9, so x=3. Since there is only one value of x, there is only one solution.


Answer Link

Otras preguntas

Which charasteristic was common to ancient civilizations in egypt , mesopotamia and china?
You have 120 pieces of fabric to make a blanket. Each piece of fabric is a square with a side length of 6 inches. You use as many squares as possible to make a
Which of the following is the best example of positive peer pressure? Your friends say no to the dinner your mom cooked and suggest ordering pizza and wings in
What was the main goal of the friars
All of the following are good examples of​ "big rocks" EXCEPT
What is x if x•x•13=46
The male cardinal is bright red. The female is a dull brown. Why are the two birds different colors?
Calculate the number of moles of caco3 (calcium carbonate, or limestone) in a 20.0g sample of this substance
Select the Midwestern states.
In ________ reinforcement, the person or animal is not reinforced every time a desired behavior is performed.