Coffeetailgo Coffeetailgo Math Answered Identify the number of terms/variables or constant term17. 2x + 10, how many terms used in the algebraic expression •1•2•318. 2x + 10, what is the variable used? •2x•x•1019.) 3x + 2y -5, how many terms were used? •1•2•320.) 3x + 2y -5, what is the constant term used? •3•2•5