math_celebrity Administrator Staff member Nov 4, 2016 #1 Twice a number: Choose an arbitrary variable, let's call it x Twice x means multiply by 2 2x 8 subtracted from 2x: 2x - 8
Twice a number: Choose an arbitrary variable, let's call it x Twice x means multiply by 2 2x 8 subtracted from 2x: 2x - 8