mariehernando01 mariehernando01
  • 21-12-2018
  • Mathematics
contestada

The sum of two numbers is 46 and the difference is 10 . What are the numbers?

Respuesta :

Chewy2645
Chewy2645 Chewy2645
  • 21-12-2018

Answer: 28 and 18

Step-by-step explanation:

I used the guess and test strategy to find that:  

28 - 10 = 18

28 + 18 = 46


Answer Link
ivana2103
ivana2103 ivana2103
  • 21-12-2018
x + y = 46
x - y = 10
*add these 2 equations

x + y + x - y = 46 + 10
2x = 56
x = 28

x - y = 10
28 - y = 10
*subtract 28 from both sudes
- y = 10 - 28
*multiply by -1
y = 28 - 10
y = 18
Answer Link

Otras preguntas

Is 15/28 greater or less than 1 / 2? Justify the answer math
Crossword hint (6 letters): Transport type with a net movement of substance across a membrane against a concentration gradient; requires use of cellular energy
Three consecutive numbers have a combined sum of 654. Name the smallest of the three largest numbers.
solve: 5/6x-2x+4/3=5/3
please help What is NATO?
what are 3 parts of observation?
why is it not useful to view science as a set of facts ?
The 1469 marriage of Prince Ferdinand and Queen Isabella created which nation
Solve for x: 8 is to 64 as 2 is to x
How do u solve n-5 over 2=5