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Basic Algebra

There are 15 different vehicle models available at the dealership...

There are 15 different vehicle models available at the dealership. Oddly, each family living on Maple Street bought one of these vehicles. There are just enough families on Maple Street so you can be absolutely sure that 6 families all have the same model. How many families are there on Maple Street?

Solving Equations

Show me an example of how this problem is solved. 7r ________ = -14 12

Quadratic Equations

Explain and show each step in solving the following quadratic equation: 4b^2 - 15= -7b