westalexandria
westalexandria westalexandria
  • 04-02-2017
  • Mathematics
contestada

What is the solution to the system of equations?

y = 1.5x – 4

y = –x

Respuesta :

mohsan573
mohsan573 mohsan573
  • 04-02-2017
Red line for y=1.5x-4 
and blue for y= -x

the solution is (1.6  , -1.6)
Ver imagen mohsan573
Answer Link
2018alexdavis 2018alexdavis
  • 04-02-2017
x=1.6, y=-1.6
using substitution,
(replace y in equation 1 with -x from equation 2)
-x=1.5x-4
(make all variables on the same side- subtract 1.5x)
-2.5x=-4
(divide by -2.5 to get x by itself)
x=1.6
(plug x into the second equation to solve for y)\
y=-1.6
Answer Link

Otras preguntas

What events began and ended athens' golden age??
You sell pies at a farmers' market for $7.50 each. A group of 5 kids wants to pitch in equal1y to share one of your pies. How much will each of them need to pa
literary images are enhanced by the use of _______ language.
Which of the following nutrient cycles has its largest reservoir in the atmosphere? A) Carbon cycle B) Nitrogen cycle C) Potassium cycle D) Phosphorus cycle E)
The length of an arc of a circle is equal to 1/5 of the circumference of the circle. If the length of the arc is 2π, the radius of the circle is
What is the simplified form of the expression 2 * [(1+14)*7]+6/0.5^3?
Which shows 5.45 written as a mixed number?
one way that animals adapt to seasonal change
What does el muslo mean?
The weekly sales of a magazine increased from 500,000 to 600,000. By what percentage did the magazine sales increase?