Answer:
x + 3
Step-by-step explanation:
Given
(8x - 6) - (7x - 9)
Distribute the first parenthesis by 1 and the second by - 1
= 8x - 6 - 7x + 9 ← collect like terms
= x + 3
Answer:
The transformation is a reflection over the y axis
Answer:
472 3/4
Step-by-step explanation:
Consider the meaning of "one, and one more". That does not mean zero (1-1). Rather, it means two (1+1).
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Then 3/4 and 472 more is ...

Eric has 472 3/4 buckets filled with sand.
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The problem statement here seems to be focused on the filled buckets, rather than the sand stockpile that Eric is working from. The amount in that stockpile is being reduced by the amount that is being used to fill buckets. In short, whether you add or subtract depends on what you're trying to figure.
The answer is .20 or 20 percent. Here is why, percents can be flipped so you can say “what is 3 percent of 15”. Well that would be 3*100=300/15 which gives you 20 and therefore you can say 0.20. Now to check your answer do 15 times 0.20 or 15 times 20 percent you will get three. Hopefully this helps!