This problem consists of a linear equation... the equation may be graphed in Algebrator or solved for specific values of x/y using the Line wizard titled "Evaluate a linear equation".

A free trial version of Algebrator may be obtained through these links:

Windows: https://www.softmath.com/tr/alg51win-tr-en.exe

Mac: https://www.softmath.com/tr/alg51mac-tr-en.dmg