The first thing we must do for this case is to define variables.
We have then:
x = Tim's age
Now we write the equation:
x + 7 = 3 (x-19)
Answer:
Tim's age in 7 years will be three times what it was 19 years ago:
x + 7 = 3 (x-19)
Answer:
Results can be 
Step-by-step explanation:
-The solution for this question:
is equal to
×
×
×
× 
-The calculation for
:

Evaluate.
1934917632
this is evaluation