bubulola bubulola
  • 05-03-2015
  • Mathematics
contestada

the sum of two numbers is 92.Their difference is 20

Respuesta :

Luke123456
Luke123456 Luke123456
  • 05-03-2015
sum means + difference is division 
 x + y = 92 
 x - y = 20 

2x = 92 +20 
2x = 112 
x = 56 

x + y =92 
56 + y = 92 
y = 36 
'
answer 36 and 56




Answer Link
Lilith
Lilith Lilith
  • 05-03-2015
[tex] \begin{cases} x+y=92 \\x-y=20 \end{cases}\\+-------\\2x=112\ \ | \ divide \ both \ sides\ by\ 2\\x=56\\\\x+y=92\\56+y=92\\y=92-56\\y= 36\\\\\begin{cases} x=56 \\y=36 \end{cases}\\\\Answer:\ \ Therefore, \ the \ two \ numbers \ are \ 36 \ and \ 56[/tex]
Answer Link

Otras preguntas

Best way to study for french 2?
True or false: The midpoint of a given line segment must lie on the given line segment?
53 divided by 6324=?
Which of the following is true about the writing process? A}writing is complete once the draft has been completed. B}writing must always follow one specific for
15-4t=3 how do i solve this in words
train A arrives at central station on the hour and every 12 minutes . train B arrives on the hour and every 15 minutes . when do both trains arrive at the same
Politicians who supported America building a canal across the narrow section of Central America argued that
Translate into an expression: Two more than a number x squared.
Two ants are at a common point at time t=0, the first ant starts crawling along a straight line at the rate of 4 ft/min. Two minutes later, the second ant start
a baker made 5 pounds of icing. he used 4/9 of icing to decorate cakes. how much of the icing is left over?