The difference between 9 thirty- sevens and 8 thirty sevens is 37
Step-by-step explanation:
We need to solve the difference between 9 thirty- sevens and 8 thirty sevens
It can be written in mathematical expression as:

Now solving:

So, The difference between 9 thirty- sevens and 8 thirty sevens is 37
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More information about algebraic expression can be found at:
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Keywords: Difference, Algebra, algebraic expression
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option c is the correct cofficient of 3

First, replace the numerator with the parentheses.
Second, multiply both sides by 3.
Third, multiply 2 × 3 to get 6.
Fourth, take away 15 from each side.
Fifth, simplify -6 - 15 to get -21.

Answer:
n = -21
Um i would need more details
But i thing you would add those together
Answer:
last one - 4/-2
Step-by-step explanation:
two minus(-) becomes a plus(+)