Razor Razor 01-05-2024 Mathematics Middle School What is the first step in determining if 6 is a solution to [tex]3x = 18[/tex]?A. Substitute 6 for [tex]x[/tex] in the equation.B. Rewrite [tex]3x[/tex] as 36.C. Multiply 3 and 18.D. Divide 6 by 3.