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

Look at the picture for the question please show work.
What is word meaning "heated to a glow"?
4 radians is the same as _____. Round to the nearest hundredth of a degree.
Look down below for question
2. A biologist measures the speed of a swimming amoeba. The amoeba covers a distance of 17.36 microns in 30 seconds. The biologist wished to compare the speed o
What are the powers of 3 between 3 and 1000?
A man buys a book for $20 and wishes to sell it. What price should he mark on it if he wishes for a 40% discount and 50% profit on the cost price. Please explai
The Fifth Amendment to the United States Constitution states: No person shall . . . be deprived of life, liberty, or property, without due process of law; nor s
what are two ways in which philosophes sought to change the world?
140 fluid ounces increased by 45%