YES. A linear equation with two variables and three constants can be represented as [tex]Ax + By = C[/tex]. There, equation, [tex]3y-4x=20[/tex] is a linear equation.
A linear function is a type of equation that has one or two different variables.
A linear function having two variables with three constants can be represented in its standard form as:
[tex]Ax + By = C[/tex]
Where y is a function of x:
A, B, and C are constants.
x and y are the two variables
In the equation given, [tex]3y-4x=20[/tex], there are:
Three constants - 3, -4, and 20;
Two variables - x and y.
Therefore we can state that the equation is a function.
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