jesus6458 jesus6458
  • 19-09-2017
  • Mathematics
contestada

One number is 5 more than another number. their sum is −15 . what are the numbers?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 19-09-2017
x=5+y
x+y=-15

subsitute 5+y for x

5+y+y=-15
5+2y=-15
minus 5 from both sides
2y=-20
divide both sides by 2
y=-10

sub back
x=5+y
x=5-10
x=-5

the numbers are -10 and -5
Answer Link

Otras preguntas

The most important predictor of bobby's class location is _____. his income his wealth his inheritance his debt
Whenever a molecule is oxidized, another molecule must be reduced. a. True b. False?
What is a metaphor in the fall of the house of usher
The "Rough Riders" were instrumental in the US victory against
The absorption of longwave radiation in the atmosphere is popularly called ________.
Are the graphs of the lines in the pair parallel? Explain. y = 2/3x – 17 4x – 6y = –6
Which continent lies at approximately 20º S, 140º E?
Who wrote the Compromise of 1850 A. Henry Clay Daniel Weber and John C Calhoun B. Henry Clay Daniel Weber and Jefferson Davis C. Henry Clay Abraham Lincoln and
32x3 + 35x2 - 25x plz solve and write steps
On his first day of school, Kareem found the high temperature in degrees Fahrenheit to be 76.1°. He plans to use the function to convert this temperature from