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

What is f(x) = x2 – 8x + 11 written in vertex form
write 8/3 as a decimal
an item is regularly priced at $90 . alan bought it on sale for 30% off the regular price. how much did alan pay?
How do scientists combine exogenous DNA with bacterial cells to produce a desired protein? A. The DNA of the bacteria is injected in the exogenous DNA. B. The e
simplify 6√125x^3y^9z^6
How many method(s) of distributing goods and services can satisfy all wants.?
What is an essential government role in market economies select one of the options below as your answer: a. to control prices and costs b. to prevent monopoli
what is the equation of a line that passes through point r(−4, −3) and has a slope of 7?
PLEASE HELP!!!! I WILL MEDAL AND FAN!!!! A thermogram of a house shows high amounts of thermal energy around the windows but not around the roof Which conclusio
Iv admixtures are prepared in _______ settings. a. clean b. refrigerated c. heated d. sterile