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

1. The President takes action to solve problems in various areas such as civil rights, with the approval of federal agencies Congress the states the Supreme Cou
What is subject questions?
Which part of the constitution do you think has helped the document adapt to changing time’s? plz help asap
45/50 + 50/50 equals what
I don’t get the second question.
What is the speakers position in “when we two parted” was it Curious, isolated, hopeful, or angry
Solve the system using the addition method. State your solution as an ordered pair. 3x+2y=56 9x-2y=4
The plaid taxi cab company charges $1.75 per passenger plus $3.45 per miles for trips less than 10 miles. What's the cost for 8 miles?
Two objects made of the same material are heated to 60 oC and 90 oC. According to Newton's law of cooling, which would cool faster and why?​
Steven buys 2.32 pounds of trail mix and twice as many pounds of dressed fruit. What is the total?