Answer:
-15 and 9
Step-by-step explanation:
-3 - 12 = -15
-3 + 12 = 9
Answer:
0.1333 or 
Step-by-step explanation:
The attached image contains the steps.
Answer:
In three years can be into algebraic terms as: 3 + x. Where 'x' comes to be today's age.
For example, my age in three years will be:
If I'm 24 years right now, My age in three years = 3 + x ⇒ My age in three years = 3 + 24 = 27.