Respuesta :


[tex]2x - 3y - x - y \\ = 2x - x - 3y - y \\ by \: putting \: the \: unknown \: together \\ = x(2 - 1) - y(3 - 1) \\ = x - 2y \\ or \: simply \: through \: deduction \\ 2x - x - 3y - y \\ = x - 2y[/tex]
hope it helps!
Q&A Education