Algebraically. X = numbers.

X + (X + 12) = 84

2X + 12 = 84

2X = 72

**X = 36**

------X + 12

= **48**

======

**36 and 48 of course. **

Algebraically. X = numbers.

X + (X + 12) = 84

2X + 12 = 84

2X = 72

**X = 36**

------X + 12

= **48**

======

**36 and 48 of course. **

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