Question

Find two numbers with a sum of 16 and a difference of 4.​

Answer 1

10 and 6

Explanation:

Variable equation:

x+y=16

x-y=4

Substitution: eq1-eq2.

2y=12

y=6

x=10.

Hope this helps :D

Answer 2

Explanation:

Let the numbers are x and y

`\longrightarrow\sf x+y=16`

`\longrightarrow\sf x-y=4`

add them

`\longrightarrow\sf 2x=20`

`\longrightarrow\sf x=10`

Substitute the value in eq (1)

`\longrightarrow\sf 10+y=16`

`\longrightarrow\sf y=6`

numbers are 6 and 10