andryCels1ea7nushadl andryCels1ea7nushadl
  • 01-12-2016
  • Mathematics
contestada

What has the sum of 20 but the difference is 8?

Respuesta :

Nasornisbeautiful
Nasornisbeautiful Nasornisbeautiful
  • 01-12-2016
x + y = 20---- 1
x - y = 8----- 2

From 1+2
2x = 28
x = 14
Substitute x in eq.2
14 -y = 8
y = 6

Ans : x= 14 , y= 6
Answer Link

Otras preguntas

How does "What to the Slave is the Fourth of July?” relate to the Declaration of Independence?
An aerosol can of compressed air has the following warning label: “Warning: contents under pressure. Do not expose can to heat or flame. Do not crouch can. “Usi
Translate the sentence into an equation. The sum of 5 times a number and 9 is 6 .
the width of a rectangle is 12 cm less than the length the perimeter is 156 cm. Find the length and width
What is the decimal equivalent of 9 and 11/27
Climate plays an important role in agricultural yield. Examine the climate map of Africa above. In a short paragraph, explain the correlation between Africa’s c
how many solutions are in 4(x-5)=3x+7
two objects each weighing 2kg are lifted through the same distance in 4s and 1s respectively. which scenario requires more work?
as European became involved in ww2 the United states was ?
Boundary between warm and cold water in an ocean or a lake