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

Mariah purchases three hair barrettes by using a gift card, which has a balance of $35.79. Which expression models her purchase? 3b-35.79 35.79+3b 35.79b-3 35.7
where is nitrogen found?
What is the product? Enter your simplified answer in the box. −14⋅(−611)−14⋅(−611)
venture capital is it for the wealthy individual Bond issuance or group investors
"I won't touch it" he said Sullenly (the scarlet ibis) A.sulkily B.savagely C.suspiciously D.swiftly
The Economic and political union known as the European union was established in 1993. True or false?
What is clotrimazole and betamethasone dipropionate cream used to treat?
how can you tell by looking at a graph if there is a proportional relationship?
aquatic biomes in the ocean are called _____ biomes.
Erica knitted 18 squares on Monday. She knits 7 more squares each day Tuesday through Thursday. How many squares does she knit on Friday?