The police station and the fire station are 4 miles apart.
A linear equation is an equation that has the variable of the highest power of 1.
The standard form of a linear equation is of the form Ax + B = 0.
The distance between the police station and the fire station be x.
The distance between the library and the police station is 3 miles less than twice the distance between the police station and the fire station.
This distance is equal to 5 miles.
The equation would be
2x - 3 = 5
2x = 5 + 3
2x = 8
x = 8/ 2 = 4
Hence, The police station and the fire station are 4 miles apart.
Learn more about linear equations;
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