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

Until the end of the twentieth century, international trade was mostly concentrated among the developed countries of the northern hemisphere. which country was
Describe how you would simplify the given expression.
What does a cause-and-effect chain show?
Estimate the As-I bond length from the data on Figure 7.5, and compare your value to the experimental As-I bond length in triiodide, AsI3, 2.55A.
What is the product of 96.5 x 2.54 ?
In at least 150 words, compare the effectiveness of the U.S. government in meeting the needs of citizens to that of another form of government. please help
1) WILL MARK BRAINLIEST + 10 POINTS!
Which is not an actual benefit to society when someone quits tobacco?
Both the _________ and ____________ came to massachusetts in search of religious freedom.
Why is it useful to use moles to measure chemical quantities?