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vazorg [7]
3 years ago
13

The sum of two numbers is 9 and their differecne is 3

Mathematics
2 answers:
Rainbow [258]3 years ago
6 0

Answer:

let's use x to represent the unknown number

and let y=3

solution

x+y=9

x+3=9

x=9-3

x=6

therefore 6 is the unknown number

so

6+3=9

victus00 [196]3 years ago
4 0

Answer:

  • The required values are 6 and 3.

Step-by-step explanation:

Let the numbers be x and y. Now, We have to follow the question's statement. First of all, we have to form equations according to the question's statement.

  • x + y = 9
  • x - y = 3

Solve the question by elimination method.

  • x + y = 9
  • x - y = 3

_______________

  • 2y = 6
  • y = 6/2
  • y = 3

<u>Put the value of y in equation 1.</u>

  • x + y = 9
  • x + 3 = 9
  • x = 9 - 3
  • x = 6

Therefore, the required values are 6 and 3.

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