angel2fresh
angel2fresh angel2fresh
  • 20-01-2017
  • Mathematics
contestada

The sum of two numbers is 82 and their difference is 29. Find each numbers.

Respuesta :

zhduch
zhduch zhduch
  • 20-01-2017
System of Equations:
let these two numbers be x and y 

x+y = 82
x-y = 29

If you add the two equations you can eliminate y.

2x = 111
x= 55.5

Plug x back into one of the two equations. So the two numbers are 55.5 and 26.5.
Answer Link

Otras preguntas

Find QR. PLEASE HELP!!!
Please help meeeee ASAP
Is 24/40 equal to four over five a true proportion
What approach to civility argues that it is better to be polite and courteous and observe the norms of a given culture because it reduces the potential for suff
Hola raza, alguien habla español?​
What is a vanishing point? A. The point at which parallel lines seem to meet and disappear on the horizon B. The combination of a color with black to make it da
you arrive in Mexico City with $360 how many pesos can you buy?
the drink booth at the school Fair had these four types of drinks apple cider lemonade iced tea and root beer the 14 students from Mrs Smith's class with extra
Rounding in the calculation of monthly interest rates is discouraged. Such rounding can lead to answers different from those presented here. For long-term loans
Qué tipo de onda tiene mayor velocidad: Onda mecánica en un sólido Onda electromagnética Onda mecánica en el aire