dezariaspencer
dezariaspencer dezariaspencer
  • 02-05-2018
  • Mathematics
contestada

Solve the system using the substitution method
4x+6y=8
3x+y=9

Respuesta :

fatehahnordin9p7wo43
fatehahnordin9p7wo43 fatehahnordin9p7wo43
  • 02-05-2018
4x+6y=8
3x+y=9

y = 9 - 3x

4x + 6(9-3x) = 8
4x + 54 - 18x = 8
14x = 46
x = 23/7

y = 9 - 3(23/7)
y = 9 - 69/7
y = - 6/7
Answer Link

Otras preguntas

What is 6.95 to one decimal place? I know how to round to the nearest tenth but if you round this,it just goes to a whole number!
Gregory predicts that 310 people will attend the spring play. And there was an actual total of 220 people who attended the spring play. What is the percent erro
To pay for a sofa, Maddie made a payment of 64 dollars each month for one year. How much did the sofa cost ?
Which is bigger 12.5% or 3/20
Valentine question: What happens to someone struck by Cupid's arrow?
7 2\3+ (5 1\6-1 5\9)
~ALGEBRA! PLEASE HELP!~ Austin is climbing on a ladder that is attached against the side of a jungle gym wall. He is 5 feet off the ground and 3 feet horizontal
an airplane travels a distance of 42x^5y^4 miles in 6xy^2 hours. find the average speed of the plane
PLEASE HELP I GIVE THANKS
Compare victoria Falls to Niagara Falls. Which has the greater potential to generate energy?