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Explanation:</h2><h2>
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Hello! Remember you need to write complete questions in order to get good and exact answers. Here we know nothing about the students so I can only help you providing the correct steps to find <em>the product of a number and eight is 104:</em>
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Let that number be
, then the statement can be written in a mathematical language as follows:

Finally, <em>the unknown number is 13</em>
Answer:
Im pretty sure it's A because Z and AZ are collinear
Answer:
14
Step-by-step explanation:
8x-1 = 7x+13
type it into desmos next time
20 and 40.
20 + 40 + 40 = 100
X= 3
4*9 -18 =18
3*9-9=18
you had to set the equation equal to each other