tonyjoe3 tonyjoe3
  • 11-05-2016
  • Mathematics
contestada


Solve the system of equations.


2x + 3y = 1
y = 3x + 15

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 11-05-2016
since y=3x+15
sub 3x+15 for y in other equation

2x+3(3x+15)=1
2x+9x+45=1
minus 45
11x=-44
divide 11
x=-4

sub
y=3x+15
y=3(-4)+15
y=-12+15
y=3

(-4,3)
Answer Link

Otras preguntas

Which is more? 1. Riding a bike 10 miles in 1 hour 2. Jogging 3 miles in 24 minutes
90,88,88,87,84,95,90,80,98,and 100 (A) find the mean of these numbers (B) find the median of these numbers
Which was a result of the European Crusades? A. the decline and fall of the Abbasid caliphate B. the assimilation of European culture in the Arab world C. the d
the length of a rectangular carpet is 2 times it's width. the area is 128 square feet. What is the length?
Janine who bought $15 worth of make-up spent $6 less than Leah spent
7.50X plus 4.50y is equal to 3150 , what is x and y equal to.
The Thirty Years' War revealed that _____. a.Protestant Europe had more military power than originally thought b.Catholic martyrs could no longer influence larg
Which is more? 1. Pumping 25 gallons of gas into a truck in 3 minutes 2. Filling a bathtub with 40 gallons of water in 5 minutes
5/8 of the 64 musicians in a music contest are guitarists. Some of the guitarists play jazz solos, and the rest play classical solos. The ratio of the number of
Interest groups hire _________ to represent them.