vavijaivavi9169 vavijaivavi9169
  • 19-02-2018
  • Mathematics
contestada

Find the value of two numbers if their sum is 23 and their difference is 3.

Respuesta :

xchrissyhallx
xchrissyhallx xchrissyhallx
  • 20-02-2018

x+y=23

x-y=5

First, add the equations.

2x=28

x=14

Then...

14+y=23

y=9

Therefore the answer is...

x=14  y=9

Answer Link

Otras preguntas

an aluminum alloy is sought for a demanding application. for safety reasons the designer has specified a minimum fracture toughness of 20 ????P????∙m1/2 and the
a quality team gets together weekly to discuss work-related issues such as quality control and cost reduction, but they do not have the power to implement their
given f(x) = -x -4 find f (-2)
heeeeeeeeeeeeeeeeeeeeeelp
Y=‐2x y=-7/2+3 solve systems of equations by graping
simplify the logarithmic of the following
f(x) = {2 x+6 if-6≤x<-3 if -3 if 2≤x≤6 -x+4
Estimate the following as a whole​ number, as 1/2 or as a mixed numeral where the fractional part is 1/2 36 divided by 5 13/15
helpppppdodospaaldhshPPals
Sumer was known for (select all that apply) ziggurat temples decorative objects with inlaid laps lazuli use of cuneiform cave painting megal