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 one is more bigger 0.2 or 1/5
a surveyor 50 meters from the base of the cliff measures the angle of elevation to the top of the cliff at 72° what is the height of the cliff round to the near
little sis don't know 1+1​
The area of the trapezoid
What was Germany’s offensive move
Which is true of the federal level of government and the state and local level in the creation of public policy? A)both give most of the power to the executive
Based on their expectations, explain why either Katniss or Peeta seems more mature.
Are essays modern inventions?
can you give a description of "workers" in economics please answer as soon as possible ​
whats a quick way to learn Italian? is there any free apps i could download?