15 added to the quotient of 8 and a number is 7.

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15 added to the quotient of 8 and a number is 7.

Take this algebraic expression in pieces:

• The phrase a number means an arbitrary variable. Let's call it x.
• The quotient of 8 and a number: 8/x
• 15 added to this quotient: 8/x + 15
• The word is means an equation, so we set 8/x + 15 equal to 7

8/x + 15 = 7