meeee54561 meeee54561
  • 05-03-2021
  • Mathematics
contestada

x + 2y = 10
-6x + 5y = -9
- what is the solution using substitution

Respuesta :

kica226 kica226
  • 05-03-2021
X+2Y=10
X=10-2Y

-6X+5Y= -9
-6(10-2Y)+5Y= -9
-60+12Y+5Y= -9
17Y= -9+60
17Y=51
Y=3

X=10-2Y
X=10-2•3
X=10-6
X=4
Answer Link

Otras preguntas

What’s the correct IUPAC name for the compound shown here?
if a company sells about 3 of product A for every 2 of product B, how many of each would they sell if a total of 7500 were sold?​
How do the judges effectively discourage anyone from defending the good character or innocence of someone accused of witchcraft
Why would early Earth have been toxic for modern day animals? Why were cyanobacteria able to survive
i cant understand any of these if you guys can help that’d be great!
Please help me!!!!!!!!
Please help Asap almost done
por que quire jessica poner evidencia de la mujer en un capsula de tiempo? segun jessica que avances a logrado la mujer en la sociedad contemporanea
can an organ system function properly without working tissues?
How many syllables are in the word uniform​