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Advocard [28]
3 years ago
15

1) Find the value of two numbers if their sum is 12 and their difference is 4.

Mathematics
1 answer:
Ivahew [28]3 years ago
4 0

Numbers are 4 and 8

<u>Step-by-step explanation:</u>

Step 1:

Let the numbers be x and y. Given that their sum is 12 and difference is 4. Form equations for this data.

⇒ x + y = 12 ------ (1)

⇒ x - y = 4 -------- (2)

Subtract eq (2) from (1)

⇒ 2x = 8

⇒ x = 4

Step 2:

Find y.

⇒ y = 12 - x = 12 - 4 = 8

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