The factor that is common to this group is that they are all comprised of linear equations.
What is linear equation?
There are only one or two variables in a linear equation. In a linear equation, no variable is raised to a power larger than one or utilized as the denominator of a fraction.
When you locate two values that satisfy a linear equation and display them on a coordinate grid, all of the points fall on the same line.
When dealing with fractions embedded in linear equations, it is frequently best to eliminate the fraction in the first step.
This usually entails determining the LCD of the fraction and then multiplying every term in the equation by the LCD.
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