Malikweaver817 Malikweaver817
  • 15-11-2017
  • Mathematics
contestada

a first number plus twice a second number is 14 twice the first number plus the second totals 31

Respuesta :

jeep211
jeep211 jeep211
  • 15-11-2017
What is the question?
Answer Link
yellowyarn2003 yellowyarn2003
  • 15-11-2017
x+2y=14
2x+y=31
x=-2y+14
-4y+28+y=31
-3y=3
y=-1
x-2=14
x=16
The first number is 16 and the second number is -1
Answer Link

Otras preguntas

A scientist shines low levels of ultraviolet radiation on a dish containing colonies of ruby-red bacteria. He then makes several replicate plates from this dish
How do the frequencies of infrared and ultraviolet light compare?
Which statement best explains the relationship between the electric force between two charged objects and the distance between them? a. As the distance increase
What allowed early Americans to form communities
A pair of fair dice is rolled and the sum of the numbers is noted. Determine the probability that one die resulted in a 5 given that the sum is 8.
When solutions containing silver ions and chloride ions are mixed, silver chloride precipitates: Ag+(aq)+Cl−(aq)→AgCl(s)ΔH=−65.5kJ. Calculate ΔH for formation o
what two conditions must buyers meet in order for there to be demand for a good or service?
where would you most likely find benthos organism
The Sydney Opera House is in? 1=Australia 2=Washington, DC 3=Alaska
if two automobiles have the same velocity do they have the same acceleration?