What area of math is this,I may be able to help?
Answer:

Step-by-step explanation:
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Hope this helps!
Answer:
- Before: Bob, $4; Bessy, $24
- After: Bob, $10; Bessy, $30
Step-by-step explanation:
Let x represent the amount of money Bob starts with. Then Bessy starts with 6x. After they have each earned $6, the relationship of their amounts is ...
(6x +6) = 3(x +6)
6x +6 = 3x +18
3x = 12
x = 4
Bob starts with $4; Bessy with $24.
After earning $6, Bob has $10; Bessy has $30.
Let's simplify the above expression :