lennie2011 lennie2011
  • 07-12-2019
  • Mathematics
contestada

The sum of two numbers is 7 and there difference is 5

Respuesta :

PorterPanhorst
PorterPanhorst PorterPanhorst
  • 07-12-2019

Answer:

Step-by-step explanation:

Equations:

x + y = 7

x - y = 3

Add and solve for "x":

2x = 10

 

x = 5

Solve for "y":

x + y = 7

5 + y = 7

y = 2

Answer Link
nonsibi
nonsibi nonsibi
  • 07-12-2019

Elimination frenzy.

  x+y=7

+(x-y=5)

---------------

2x=12

x=6

6+y=7

y=1

answer: 6 and 1

Answer Link

Otras preguntas

How do I find the area of a square with a radius of 16ft
What are some adjectives that describe the name Kimberly. 3 adjectives for each letter.
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 5.8 m/s2
About how tall should you be at age 12, about in 7th grade. And how about weight?
mr. harper had 506 apples at his fruit stand. his freind gave him 87 more apples,and he bought another 59 apples. how many does he have all together? buy using
Name two ways the archaea differ from bacteria
Find the unit rate. $121.50 for working 18 hours
What does du bist mean in German?
Find the unit rate. 6 ounces for 2.5 servings Help! Please
In the book night, compare how other boys treat their fathers with Eliezer's treatment of his own father.